7422936714521 has 2 divisors, whose sum is σ = 7422936714522. Its totient is φ = 7422936714520.

The previous prime is 7422936714517. The next prime is 7422936714541. The reversal of 7422936714521 is 1254176392247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6990418723600 + 432517990921 = 2643940^2 + 657661^2 .

It is a cyclic number.

It is not a de Polignac number, because 7422936714521 - 2² = 7422936714517 is a prime.

It is not a weakly prime, because it can be changed into another prime (7422936714541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711468357260 + 3711468357261.

It is an arithmetic number, because the mean of its divisors is an integer number (3711468357261).

Almost surely, 2^{7422936714521} is an apocalyptic number.

It is an amenable number.

7422936714521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422936714521 is an equidigital number, since it uses as much as digits as its factorization.

7422936714521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 7422936714521 in words is "seven trillion, four hundred twenty-two billion, nine hundred thirty-six million, seven hundred fourteen thousand, five hundred twenty-one".