51498094031 has 2 divisors, whose sum is σ = 51498094032. Its totient is φ = 51498094030.

The previous prime is 51498094027. The next prime is 51498094091. The reversal of 51498094031 is 13049089415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51498094031 - 2² = 51498094027 is a prime.

It is a super-2 number, since 2×51498094031² (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 (51498094091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25749047015 + 25749047016.

It is an arithmetic number, because the mean of its divisors is an integer number (25749047016).

Almost surely, 2^51498094031 is an apocalyptic number.

51498094031 is a deficient number, since it is larger than the sum of its proper divisors (1).

51498094031 is an equidigital number, since it uses as much as digits as its factorization.

51498094031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 51498094031 in words is "fifty-one billion, four hundred ninety-eight million, ninety-four thousand, thirty-one".