1257913970179 has 2 divisors, whose sum is σ = 1257913970180. Its totient is φ = 1257913970178.

The previous prime is 1257913970177. The next prime is 1257913970213. The reversal of 1257913970179 is 9710793197521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1257913970179 - 2¹ = 1257913970177 is a prime.

Together with 1257913970177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1257913970177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628956985089 + 628956985090.

It is an arithmetic number, because the mean of its divisors is an integer number (628956985090).

Almost surely, 2^{1257913970179} is an apocalyptic number.

1257913970179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257913970179 is an equidigital number, since it uses as much as digits as its factorization.

1257913970179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7501410, while the sum is 61.

The spelling of 1257913970179 in words is "one trillion, two hundred fifty-seven billion, nine hundred thirteen million, nine hundred seventy thousand, one hundred seventy-nine".