6724960801957 has 2 divisors, whose sum is σ = 6724960801958. Its totient is φ = 6724960801956.

The previous prime is 6724960801939. The next prime is 6724960802033. The reversal of 6724960801957 is 7591080694276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6139696021281 + 585264780676 = 2477841^2 + 765026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6724960801957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6724960801057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362480400978 + 3362480400979.

It is an arithmetic number, because the mean of its divisors is an integer number (3362480400979).

Almost surely, 2^{6724960801957} is an apocalyptic number.

It is an amenable number.

6724960801957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6724960801957 is an equidigital number, since it uses as much as digits as its factorization.

6724960801957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 6724960801957 in words is "six trillion, seven hundred twenty-four billion, nine hundred sixty million, eight hundred one thousand, nine hundred fifty-seven".