2517149280391 has 2 divisors, whose sum is σ = 2517149280392. Its totient is φ = 2517149280390.

The previous prime is 2517149280389. The next prime is 2517149280413. The reversal of 2517149280391 is 1930829417152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2517149280391 - 2¹ = 2517149280389 is a prime.

It is a super-2 number, since 2×2517149280391² (a number of 26 digits) contains 22 as substring.

Together with 2517149280389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2517149280091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258574640195 + 1258574640196.

It is an arithmetic number, because the mean of its divisors is an integer number (1258574640196).

Almost surely, 2^{2517149280391} is an apocalyptic number.

2517149280391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517149280391 is an equidigital number, since it uses as much as digits as its factorization.

2517149280391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 2517149280391 in words is "two trillion, five hundred seventeen billion, one hundred forty-nine million, two hundred eighty thousand, three hundred ninety-one".