511704674651 has 2 divisors, whose sum is σ = 511704674652. Its totient is φ = 511704674650.

The previous prime is 511704674629. The next prime is 511704674669. The reversal of 511704674651 is 156476407115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511704674651 - 2²⁶ = 511637565787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 511704674596 and 511704674605.

It is not a weakly prime, because it can be changed into another prime (511704674851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255852337325 + 255852337326.

It is an arithmetic number, because the mean of its divisors is an integer number (255852337326).

Almost surely, 2^511704674651 is an apocalyptic number.

511704674651 is a deficient number, since it is larger than the sum of its proper divisors (1).

511704674651 is an equidigital number, since it uses as much as digits as its factorization.

511704674651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 511704674651 in words is "five hundred eleven billion, seven hundred four million, six hundred seventy-four thousand, six hundred fifty-one".