51184704379637 has 2 divisors, whose sum is σ = 51184704379638. Its totient is φ = 51184704379636.

The previous prime is 51184704379579. The next prime is 51184704379727. The reversal of 51184704379637 is 73697340748115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48211928397361 + 2972775982276 = 6943481^2 + 1724174^2 .

It is a cyclic number.

It is not a de Polignac number, because 51184704379637 - 2⁶ = 51184704379573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51184704279637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25592352189818 + 25592352189819.

It is an arithmetic number, because the mean of its divisors is an integer number (25592352189819).

Almost surely, 2^{51184704379637} is an apocalyptic number.

It is an amenable number.

51184704379637 is a deficient number, since it is larger than the sum of its proper divisors (1).

51184704379637 is an equidigital number, since it uses as much as digits as its factorization.

51184704379637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 51184704379637 in words is "fifty-one trillion, one hundred eighty-four billion, seven hundred four million, three hundred seventy-nine thousand, six hundred thirty-seven".