1411645091 has 4 divisors (see below), whose sum is σ = 1411731672. Its totient is φ = 1411558512.

The previous prime is 1411645069. The next prime is 1411645111. The reversal of 1411645091 is 1905461141.

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: 1905461141 = 53 ⋅35952097.

It is a cyclic number.

It is not a de Polignac number, because 1411645091 - 2¹⁴ = 1411628707 is a prime.

It is a super-4 number, since 4×1411645091⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1411645021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610 + ... + 54183.

It is an arithmetic number, because the mean of its divisors is an integer number (352932918).

Almost surely, 2^1411645091 is an apocalyptic number.

1411645091 is a deficient number, since it is larger than the sum of its proper divisors (86581).

1411645091 is an equidigital number, since it uses as much as digits as its factorization.

1411645091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86580.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1411645091 is about 37571.8656843122. The cubic root of 1411645091 is about 1121.7821041487.

The spelling of 1411645091 in words is "one billion, four hundred eleven million, six hundred forty-five thousand, ninety-one".