406928864069 has 24 divisors (see below), whose sum is σ = 512122835520. Its totient is φ = 316508594688.

The previous prime is 406928864063. The next prime is 406928864087. The reversal of 406928864069 is 960468829604.

It is not a de Polignac number, because 406928864069 - 2¹² = 406928859973 is a prime.

It is a super-2 number, since 2×406928864069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406928864063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2845292 + ... + 2984885.

It is an arithmetic number, because the mean of its divisors is an integer number (21338451480).

Almost surely, 2^406928864069 is an apocalyptic number.

It is an amenable number.

406928864069 is a deficient number, since it is larger than the sum of its proper divisors (105193971451).

406928864069 is a wasteful number, since it uses less digits than its factorization.

406928864069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830269 (or 5830256 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 406928864069 in words is "four hundred six billion, nine hundred twenty-eight million, eight hundred sixty-four thousand, sixty-nine".