3404307370521 has 16 divisors (see below), whose sum is σ = 4693480501248. Its totient is φ = 2192585686800.

The previous prime is 3404307370487. The next prime is 3404307370543. The reversal of 3404307370521 is 1250737034043.

It is not a de Polignac number, because 3404307370521 - 2²² = 3404303176217 is a prime.

It is a super-2 number, since 2×3404307370521² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3404307370521.

It is not an unprimeable number, because it can be changed into a prime (3404307370571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31125525 + ... + 31234706.

It is an arithmetic number, because the mean of its divisors is an integer number (293342531328).

Almost surely, 2^{3404307370521} is an apocalyptic number.

3404307370521 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3404307370521 is a deficient number, since it is larger than the sum of its proper divisors (1289173130727).

3404307370521 is a wasteful number, since it uses less digits than its factorization.

3404307370521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62360852.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 3404307370521 in words is "three trillion, four hundred four billion, three hundred seven million, three hundred seventy thousand, five hundred twenty-one".