7939016645 has 16 divisors (see below), whose sum is σ = 10957150848. Its totient is φ = 5409218880.

The previous prime is 7939016611. The next prime is 7939016693. The reversal of 7939016645 is 5466109397.

It is not a de Polignac number, because 7939016645 - 2¹⁸ = 7938754501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7939016593 and 7939016602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716891 + ... + 727880.

It is an arithmetic number, because the mean of its divisors is an integer number (684821928).

Almost surely, 2^7939016645 is an apocalyptic number.

It is an amenable number.

7939016645 is a deficient number, since it is larger than the sum of its proper divisors (3018134203).

7939016645 is a wasteful number, since it uses less digits than its factorization.

7939016645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444940.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 7939016645 is about 89101.1596164719. The cubic root of 7939016645 is about 1994.9050856953.

The spelling of 7939016645 in words is "seven billion, nine hundred thirty-nine million, sixteen thousand, six hundred forty-five".