51374347354037 has 2 divisors, whose sum is σ = 51374347354038. Its totient is φ = 51374347354036.

The previous prime is 51374347353983. The next prime is 51374347354039. The reversal of 51374347354037 is 73045374347315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50402701464196 + 971645889841 = 7099486^2 + 985721^2 .

It is a cyclic number.

It is not a de Polignac number, because 51374347354037 - 2²⁶ = 51374280245173 is a prime.

Together with 51374347354039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51374347354039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25687173677018 + 25687173677019.

It is an arithmetic number, because the mean of its divisors is an integer number (25687173677019).

Almost surely, 2^{51374347354037} is an apocalyptic number.

It is an amenable number.

51374347354037 is a deficient number, since it is larger than the sum of its proper divisors (1).

51374347354037 is an equidigital number, since it uses as much as digits as its factorization.

51374347354037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 56.

The spelling of 51374347354037 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred forty-seven million, three hundred fifty-four thousand, thirty-seven".