406431610511 has 4 divisors (see below), whose sum is σ = 406546652712. Its totient is φ = 406316568312.

The previous prime is 406431610499. The next prime is 406431610523. The reversal of 406431610511 is 115016134604.

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

It is an interprime number because it is at equal distance from previous prime (406431610499) and next prime (406431610523).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406431610511 is a prime.

It is a super-2 number, since 2×406431610511² (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 (406431310511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57515801 + ... + 57522866.

It is an arithmetic number, because the mean of its divisors is an integer number (101636663178).

Almost surely, 2^406431610511 is an apocalyptic number.

406431610511 is a deficient number, since it is larger than the sum of its proper divisors (115042201).

406431610511 is a wasteful number, since it uses less digits than its factorization.

406431610511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115042200.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 406431610511 in words is "four hundred six billion, four hundred thirty-one million, six hundred ten thousand, five hundred eleven".