51374347335583 has 2 divisors, whose sum is σ = 51374347335584. Its totient is φ = 51374347335582.

The previous prime is 51374347335547. The next prime is 51374347335631. The reversal of 51374347335583 is 38553374347315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51374347335583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51374347335503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25687173667791 + 25687173667792.

It is an arithmetic number, because the mean of its divisors is an integer number (25687173667792).

Almost surely, 2^{51374347335583} is an apocalyptic number.

51374347335583 is a deficient number, since it is larger than the sum of its proper divisors (1).

51374347335583 is an equidigital number, since it uses as much as digits as its factorization.

51374347335583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512000, while the sum is 61.

The spelling of 51374347335583 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred forty-seven million, three hundred thirty-five thousand, five hundred eighty-three".