6716412257 has 2 divisors, whose sum is σ = 6716412258. Its totient is φ = 6716412256.

The previous prime is 6716412233. The next prime is 6716412289. The reversal of 6716412257 is 7522146176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6133865761 + 582546496 = 78319^2 + 24136^2 .

It is a cyclic number.

It is not a de Polignac number, because 6716412257 - 2⁶ = 6716412193 is a prime.

It is a super-2 number, since 2×6716412257² = 90220387211959668098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6716415257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358206128 + 3358206129.

It is an arithmetic number, because the mean of its divisors is an integer number (3358206129).

Almost surely, 2^6716412257 is an apocalyptic number.

It is an amenable number.

6716412257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6716412257 is an equidigital number, since it uses as much as digits as its factorization.

6716412257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 6716412257 is about 81953.7202145211. The cubic root of 6716412257 is about 1886.7417015188.

The spelling of 6716412257 in words is "six billion, seven hundred sixteen million, four hundred twelve thousand, two hundred fifty-seven".