7937366643 has 12 divisors (see below), whose sum is σ = 11468363608. Its totient is φ = 5290064640.

The previous prime is 7937366611. The next prime is 7937366681. The reversal of 7937366643 is 3466637397.

It is not a de Polignac number, because 7937366643 - 2⁵ = 7937366611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7937366643.

It is not an unprimeable number, because it can be changed into a prime (7937366243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92398 + ... + 156243.

Almost surely, 2^7937366643 is an apocalyptic number.

7937366643 is a deficient number, since it is larger than the sum of its proper divisors (3530996965).

7937366643 is a wasteful number, since it uses less digits than its factorization.

7937366643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252194 (or 252191 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 54.

The square root of 7937366643 is about 89091.8999853522. The cubic root of 7937366643 is about 1994.7668727154.

The spelling of 7937366643 in words is "seven billion, nine hundred thirty-seven million, three hundred sixty-six thousand, six hundred forty-three".