1409461385 has 4 divisors (see below), whose sum is σ = 1691353668. Its totient is φ = 1127569104.

The previous prime is 1409461369. The next prime is 1409461409. The reversal of 1409461385 is 5831649041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1056510016 + 352951369 = 32504^2 + 18787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409461385 - 2⁴ = 1409461369 is a prime.

It is a super-2 number, since 2×1409461385² = 3973162791612236450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 140946134 + ... + 140946143.

It is an arithmetic number, because the mean of its divisors is an integer number (422838417).

Almost surely, 2^1409461385 is an apocalyptic number.

It is an amenable number.

1409461385 is a deficient number, since it is larger than the sum of its proper divisors (281892283).

1409461385 is an equidigital number, since it uses as much as digits as its factorization.

1409461385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281892282.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1409461385 is about 37542.7940489250. The cubic root of 1409461385 is about 1121.2033688491.

The spelling of 1409461385 in words is "one billion, four hundred nine million, four hundred sixty-one thousand, three hundred eighty-five".