1409410369 has 4 divisors (see below), whose sum is σ = 1409487444. Its totient is φ = 1409333296.

The previous prime is 1409410351. The next prime is 1409410391. The reversal of 1409410369 is 9630149041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9630149041 = 577 ⋅16690033.

It can be written as a sum of positive squares in 2 ways, for example, as 32035600 + 1377374769 = 5660^2 + 37113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409410369 - 2⁵ = 1409410337 is a prime.

It is a super-2 number, since 2×1409410369² = 3972875176489432322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409410309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6219 + ... + 53455.

It is an arithmetic number, because the mean of its divisors is an integer number (352371861).

Almost surely, 2^1409410369 is an apocalyptic number.

It is an amenable number.

1409410369 is a deficient number, since it is larger than the sum of its proper divisors (77075).

1409410369 is an equidigital number, since it uses as much as digits as its factorization.

1409410369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77074.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1409410369 is about 37542.1146048008. The cubic root of 1409410369 is about 1121.1898412227.

It can be divided in two parts, 1409 and 410369, that added together give a triangular number (411778 = T₉₀₇).

The spelling of 1409410369 in words is "one billion, four hundred nine million, four hundred ten thousand, three hundred sixty-nine".