7642961339 has 16 divisors (see below), whose sum is σ = 8518759200. Its totient is φ = 6808521216.

The previous prime is 7642961251. The next prime is 7642961377. The reversal of 7642961339 is 9331692467.

It is a cyclic number.

It is not a de Polignac number, because 7642961339 - 2²⁴ = 7626184123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7642961399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161272 + ... + 1167834.

It is an arithmetic number, because the mean of its divisors is an integer number (532422450).

Almost surely, 2^7642961339 is an apocalyptic number.

7642961339 is a deficient number, since it is larger than the sum of its proper divisors (875797861).

7642961339 is a wasteful number, since it uses less digits than its factorization.

7642961339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694.

The product of its digits is 1469664, while the sum is 50.

The square root of 7642961339 is about 87424.0318162003. The cubic root of 7642961339 is about 1969.7928388928.

The spelling of 7642961339 in words is "seven billion, six hundred forty-two million, nine hundred sixty-one thousand, three hundred thirty-nine".