51674456131 has 4 divisors (see below), whose sum is σ = 51674942664. Its totient is φ = 51673969600.

The previous prime is 51674456129. The next prime is 51674456153. The reversal of 51674456131 is 13165447615.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51674456131 - 2¹ = 51674456129 is a prime.

It is a super-2 number, since 2×51674456131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51674426131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8305 + ... + 321586.

It is an arithmetic number, because the mean of its divisors is an integer number (12918735666).

Almost surely, 2^51674456131 is an apocalyptic number.

51674456131 is a deficient number, since it is larger than the sum of its proper divisors (486533).

51674456131 is a wasteful number, since it uses less digits than its factorization.

51674456131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486532.

The product of its digits is 302400, while the sum is 43.

The spelling of 51674456131 in words is "fifty-one billion, six hundred seventy-four million, four hundred fifty-six thousand, one hundred thirty-one".