6612979039 has 4 divisors (see below), whose sum is σ = 7001977824. Its totient is φ = 6223980256.

The previous prime is 6612979019. The next prime is 6612979049. The reversal of 6612979039 is 9309792166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6612979039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612979019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194499367 + ... + 194499400.

It is an arithmetic number, because the mean of its divisors is an integer number (1750494456).

Almost surely, 2^6612979039 is an apocalyptic number.

6612979039 is a deficient number, since it is larger than the sum of its proper divisors (388998785).

6612979039 is a wasteful number, since it uses less digits than its factorization.

6612979039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388998784.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 6612979039 is about 81320.2252763727. The cubic root of 6612979039 is about 1877.0062355349.

The spelling of 6612979039 in words is "six billion, six hundred twelve million, nine hundred seventy-nine thousand, thirty-nine".