51502542415193 has 2 divisors, whose sum is σ = 51502542415194. Its totient is φ = 51502542415192.

The previous prime is 51502542415169. The next prime is 51502542415199. The reversal of 51502542415193 is 39151424520515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30162096952009 + 21340445463184 = 5492003^2 + 4619572^2 .

It is a cyclic number.

It is not a de Polignac number, because 51502542415193 - 2²⁴ = 51502525637977 is a prime.

It is a super-3 number, since 3×51502542415193³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (51502542415199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25751271207596 + 25751271207597.

It is an arithmetic number, because the mean of its divisors is an integer number (25751271207597).

Almost surely, 2^{51502542415193} is an apocalyptic number.

It is an amenable number.

51502542415193 is a deficient number, since it is larger than the sum of its proper divisors (1).

51502542415193 is an equidigital number, since it uses as much as digits as its factorization.

51502542415193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 51502542415193 in words is "fifty-one trillion, five hundred two billion, five hundred forty-two million, four hundred fifteen thousand, one hundred ninety-three".