7637074993 has 2 divisors, whose sum is σ = 7637074994. Its totient is φ = 7637074992.

The previous prime is 7637074987. The next prime is 7637075107. The reversal of 7637074993 is 3994707367.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7539796224 + 97278769 = 86832^2 + 9863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7637074993 is a prime.

It is not a weakly prime, because it can be changed into another prime (7637074943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818537496 + 3818537497.

It is an arithmetic number, because the mean of its divisors is an integer number (3818537497).

Almost surely, 2^7637074993 is an apocalyptic number.

It is an amenable number.

7637074993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7637074993 is an equidigital number, since it uses as much as digits as its factorization.

7637074993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6001128, while the sum is 55.

The square root of 7637074993 is about 87390.3598402021. The cubic root of 7637074993 is about 1969.2870201131.

The spelling of 7637074993 in words is "seven billion, six hundred thirty-seven million, seventy-four thousand, nine hundred ninety-three".