51629962823 has 2 divisors, whose sum is σ = 51629962824. Its totient is φ = 51629962822.

The previous prime is 51629962799. The next prime is 51629962843. The reversal of 51629962823 is 32826992615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51629962823 - 2¹² = 51629958727 is a prime.

It is a super-2 number, since 2×51629962823² (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 (51629962843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25814981411 + 25814981412.

It is an arithmetic number, because the mean of its divisors is an integer number (25814981412).

Almost surely, 2^51629962823 is an apocalyptic number.

51629962823 is a deficient number, since it is larger than the sum of its proper divisors (1).

51629962823 is an equidigital number, since it uses as much as digits as its factorization.

51629962823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The spelling of 51629962823 in words is "fifty-one billion, six hundred twenty-nine million, nine hundred sixty-two thousand, eight hundred twenty-three".