6791315989 has 8 divisors (see below), whose sum is σ = 6927057632. Its totient is φ = 6656361840.

The previous prime is 6791315987. The next prime is 6791316011. The reversal of 6791315989 is 9895131976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6791315989 - 2¹ = 6791315987 is a prime.

It is a super-2 number, since 2×6791315989² = 92243945724894096242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6791315987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179439 + ... + 213964.

It is an arithmetic number, because the mean of its divisors is an integer number (865882204).

Almost surely, 2^6791315989 is an apocalyptic number.

It is an amenable number.

6791315989 is a deficient number, since it is larger than the sum of its proper divisors (135741643).

6791315989 is a wasteful number, since it uses less digits than its factorization.

6791315989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393747.

The product of its digits is 3674160, while the sum is 58.

The square root of 6791315989 is about 82409.4411399568. The cubic root of 6791315989 is about 1893.7296516252.

The spelling of 6791315989 in words is "six billion, seven hundred ninety-one million, three hundred fifteen thousand, nine hundred eighty-nine".