7914095912557 has 2 divisors, whose sum is σ = 7914095912558. Its totient is φ = 7914095912556.

The previous prime is 7914095912497. The next prime is 7914095912581. The reversal of 7914095912557 is 7552195904197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5253497786601 + 2660598125956 = 2292051^2 + 1631134^2 .

It is a cyclic number.

It is not a de Polignac number, because 7914095912557 - 2²³ = 7914087523949 is a prime.

It is a super-2 number, since 2×7914095912557² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7914095919557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3957047956278 + 3957047956279.

It is an arithmetic number, because the mean of its divisors is an integer number (3957047956279).

Almost surely, 2^{7914095912557} is an apocalyptic number.

It is an amenable number.

7914095912557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7914095912557 is an equidigital number, since it uses as much as digits as its factorization.

7914095912557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35721000, while the sum is 64.

The spelling of 7914095912557 in words is "seven trillion, nine hundred fourteen billion, ninety-five million, nine hundred twelve thousand, five hundred fifty-seven".