51498093923 has 2 divisors, whose sum is σ = 51498093924. Its totient is φ = 51498093922.

The previous prime is 51498093901. The next prime is 51498093973. The reversal of 51498093923 is 32939089415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51498093923 - 2¹⁸ = 51497831779 is a prime.

It is not a weakly prime, because it can be changed into another prime (51498093973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25749046961 + 25749046962.

It is an arithmetic number, because the mean of its divisors is an integer number (25749046962).

Almost surely, 2^51498093923 is an apocalyptic number.

51498093923 is a deficient number, since it is larger than the sum of its proper divisors (1).

51498093923 is an equidigital number, since it uses as much as digits as its factorization.

51498093923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 51498093923 in words is "fifty-one billion, four hundred ninety-eight million, ninety-three thousand, nine hundred twenty-three".