51993114497 has 2 divisors, whose sum is σ = 51993114498. Its totient is φ = 51993114496.

The previous prime is 51993114401. The next prime is 51993114527. The reversal of 51993114497 is 79441139915.

51993114497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51872795536 + 120318961 = 227756^2 + 10969^2 .

It is a cyclic number.

It is not a de Polignac number, because 51993114497 - 2²⁶ = 51926005633 is a prime.

It is not a weakly prime, because it can be changed into another prime (51993114097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25996557248 + 25996557249.

It is an arithmetic number, because the mean of its divisors is an integer number (25996557249).

Almost surely, 2^51993114497 is an apocalyptic number.

It is an amenable number.

51993114497 is a deficient number, since it is larger than the sum of its proper divisors (1).

51993114497 is an equidigital number, since it uses as much as digits as its factorization.

51993114497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 53.

The spelling of 51993114497 in words is "fifty-one billion, nine hundred ninety-three million, one hundred fourteen thousand, four hundred ninety-seven".