51744299267397 has 32 divisors (see below), whose sum is σ = 75678851888640. Its totient is φ = 31187644013120.

The previous prime is 51744299267377. The next prime is 51744299267407. The reversal of 51744299267397 is 79376299244715.

It is a cyclic number.

It is not a de Polignac number, because 51744299267397 - 2³⁰ = 51743225525573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51744299267327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13504378 + ... + 16907300.

It is an arithmetic number, because the mean of its divisors is an integer number (2364964121520).

Almost surely, 2^{51744299267397} is an apocalyptic number.

It is an amenable number.

51744299267397 is a deficient number, since it is larger than the sum of its proper divisors (23934552621243).

51744299267397 is a wasteful number, since it uses less digits than its factorization.

51744299267397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405473.

The product of its digits is 1440270720, while the sum is 75.

The spelling of 51744299267397 in words is "fifty-one trillion, seven hundred forty-four billion, two hundred ninety-nine million, two hundred sixty-seven thousand, three hundred ninety-seven".