506423043064651 has 16 divisors (see below), whose sum is σ = 507279592068480. Its totient is φ = 505567333261440.

The previous prime is 506423043064531. The next prime is 506423043064663. The reversal of 506423043064651 is 156460340324605.

It is a cyclic number.

It is not a de Polignac number, because 506423043064651 - 2¹¹ = 506423043062603 is a prime.

It is a super-2 number, since 2×506423043064651² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506423043064595 and 506423043064604.

It is not an unprimeable number, because it can be changed into a prime (506423043061651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10869989865 + ... + 10870036453.

It is an arithmetic number, because the mean of its divisors is an integer number (31704974504280).

Almost surely, 2^{506423043064651} is an apocalyptic number.

506423043064651 is a deficient number, since it is larger than the sum of its proper divisors (856549003829).

506423043064651 is a wasteful number, since it uses less digits than its factorization.

506423043064651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55206.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 506423043064651 in words is "five hundred six trillion, four hundred twenty-three billion, forty-three million, sixty-four thousand, six hundred fifty-one".