7914413657 has 2 divisors, whose sum is σ = 7914413658. Its totient is φ = 7914413656.

The previous prime is 7914413651. The next prime is 7914413687. The reversal of 7914413657 is 7563144197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7195959241 + 718454416 = 84829^2 + 26804^2 .

It is a cyclic number.

It is not a de Polignac number, because 7914413657 - 2⁸ = 7914413401 is a prime.

It is a super-2 number, since 2×7914413657² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7914413651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3957206828 + 3957206829.

It is an arithmetic number, because the mean of its divisors is an integer number (3957206829).

Almost surely, 2^7914413657 is an apocalyptic number.

It is an amenable number.

7914413657 is a deficient number, since it is larger than the sum of its proper divisors (1).

7914413657 is an equidigital number, since it uses as much as digits as its factorization.

7914413657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 7914413657 is about 88962.9903780218. The cubic root of 7914413657 is about 1992.8422183913.

The spelling of 7914413657 in words is "seven billion, nine hundred fourteen million, four hundred thirteen thousand, six hundred fifty-seven".