51469634311 has 2 divisors, whose sum is σ = 51469634312. Its totient is φ = 51469634310.

The previous prime is 51469634303. The next prime is 51469634327. The reversal of 51469634311 is 11343696415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51469634311 - 2³ = 51469634303 is a prime.

It is a super-2 number, since 2×51469634311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51469632311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25734817155 + 25734817156.

It is an arithmetic number, because the mean of its divisors is an integer number (25734817156).

Almost surely, 2^51469634311 is an apocalyptic number.

51469634311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51469634311 is an equidigital number, since it uses as much as digits as its factorization.

51469634311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The spelling of 51469634311 in words is "fifty-one billion, four hundred sixty-nine million, six hundred thirty-four thousand, three hundred eleven".