413965509621 has 32 divisors (see below), whose sum is σ = 556448016000. Its totient is φ = 273741527808.

The previous prime is 413965509613. The next prime is 413965509623. The reversal of 413965509621 is 126905569314.

It is not a de Polignac number, because 413965509621 - 2³ = 413965509613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413965509623) 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 31 ways as a sum of consecutive naturals, for example, 301503691 + ... + 301505063.

It is an arithmetic number, because the mean of its divisors is an integer number (17389000500).

Almost surely, 2^413965509621 is an apocalyptic number.

It is an amenable number.

413965509621 is a deficient number, since it is larger than the sum of its proper divisors (142482506379).

413965509621 is a wasteful number, since it uses less digits than its factorization.

413965509621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 413965509621 in words is "four hundred thirteen billion, nine hundred sixty-five million, five hundred nine thousand, six hundred twenty-one".