405664000513 has 4 divisors (see below), whose sum is σ = 405670529968. Its totient is φ = 405657471060.

The previous prime is 405664000493. The next prime is 405664000561. The reversal of 405664000513 is 315000466504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405664000513 is a prime.

It is a super-2 number, since 2×405664000513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405664000613) 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, 3170631 + ... + 3296092.

It is an arithmetic number, because the mean of its divisors is an integer number (101417632492).

Almost surely, 2^405664000513 is an apocalyptic number.

It is an amenable number.

405664000513 is a deficient number, since it is larger than the sum of its proper divisors (6529455).

405664000513 is an equidigital number, since it uses as much as digits as its factorization.

405664000513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529454.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 405664000513 in words is "four hundred five billion, six hundred sixty-four million, five hundred thirteen", and thus it is an aban number.