7038668003957 has 2 divisors, whose sum is σ = 7038668003958. Its totient is φ = 7038668003956.

The previous prime is 7038668003953. The next prime is 7038668003999. The reversal of 7038668003957 is 7593008668307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4992011586961 + 2046656416996 = 2234281^2 + 1430614^2 .

It is a cyclic number.

It is not a de Polignac number, because 7038668003957 - 2² = 7038668003953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7038668003957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7038668003953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3519334001978 + 3519334001979.

It is an arithmetic number, because the mean of its divisors is an integer number (3519334001979).

Almost surely, 2^{7038668003957} is an apocalyptic number.

It is an amenable number.

7038668003957 is a deficient number, since it is larger than the sum of its proper divisors (1).

7038668003957 is an equidigital number, since it uses as much as digits as its factorization.

7038668003957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 7038668003957 in words is "seven trillion, thirty-eight billion, six hundred sixty-eight million, three thousand, nine hundred fifty-seven".