51963192431 has 2 divisors, whose sum is σ = 51963192432. Its totient is φ = 51963192430.

The previous prime is 51963192373. The next prime is 51963192469. The reversal of 51963192431 is 13429136915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51963192431 - 2¹⁸ = 51962930287 is a prime.

It is a super-2 number, since 2×51963192431² (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 (51963191431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25981596215 + 25981596216.

It is an arithmetic number, because the mean of its divisors is an integer number (25981596216).

Almost surely, 2^51963192431 is an apocalyptic number.

51963192431 is a deficient number, since it is larger than the sum of its proper divisors (1).

51963192431 is an equidigital number, since it uses as much as digits as its factorization.

51963192431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The spelling of 51963192431 in words is "fifty-one billion, nine hundred sixty-three million, one hundred ninety-two thousand, four hundred thirty-one".