51370308842687 has 2 divisors, whose sum is σ = 51370308842688. Its totient is φ = 51370308842686.

The previous prime is 51370308842681. The next prime is 51370308842689. The reversal of 51370308842687 is 78624880307315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51370308842687 - 2⁶ = 51370308842623 is a prime.

Together with 51370308842689, 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 (51370308842681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25685154421343 + 25685154421344.

It is an arithmetic number, because the mean of its divisors is an integer number (25685154421344).

Almost surely, 2^{51370308842687} is an apocalyptic number.

51370308842687 is a deficient number, since it is larger than the sum of its proper divisors (1).

51370308842687 is an equidigital number, since it uses as much as digits as its factorization.

51370308842687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 51370308842687 in words is "fifty-one trillion, three hundred seventy billion, three hundred eight million, eight hundred forty-two thousand, six hundred eighty-seven".