6790708639 has 24 divisors (see below), whose sum is σ = 8118111456. Its totient is φ = 5641944000.

The previous prime is 6790708637. The next prime is 6790708693. The reversal of 6790708639 is 9368070976.

It is not a de Polignac number, because 6790708639 - 2¹ = 6790708637 is a prime.

It is a super-2 number, since 2×6790708639² = 92227447639578464642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6790708639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6790708637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137502 + ... + 180244.

It is an arithmetic number, because the mean of its divisors is an integer number (338254644).

Almost surely, 2^6790708639 is an apocalyptic number.

6790708639 is a deficient number, since it is larger than the sum of its proper divisors (1327402817).

6790708639 is a wasteful number, since it uses less digits than its factorization.

6790708639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42879 (or 42868 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 6790708639 is about 82405.7561035635. The cubic root of 6790708639 is about 1893.6731976187.

The spelling of 6790708639 in words is "six billion, seven hundred ninety million, seven hundred eight thousand, six hundred thirty-nine".