507420644811 has 4 divisors (see below), whose sum is σ = 676560859752. Its totient is φ = 338280429872.

The previous prime is 507420644779. The next prime is 507420644821. The reversal of 507420644811 is 118446024705.

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

It is a cyclic number.

It is not a de Polignac number, because 507420644811 - 2⁵ = 507420644779 is a prime.

It is a super-2 number, since 2×507420644811² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (507420644821) 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, 84570107466 + ... + 84570107471.

It is an arithmetic number, because the mean of its divisors is an integer number (169140214938).

Almost surely, 2^507420644811 is an apocalyptic number.

507420644811 is a deficient number, since it is larger than the sum of its proper divisors (169140214941).

507420644811 is a wasteful number, since it uses less digits than its factorization.

507420644811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169140214940.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 507420644811 in words is "five hundred seven billion, four hundred twenty million, six hundred forty-four thousand, eight hundred eleven".