6534712979 has 4 divisors (see below), whose sum is σ = 6534920640. Its totient is φ = 6534505320.

The previous prime is 6534712969. The next prime is 6534712993. The reversal of 6534712979 is 9792174356.

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

It is a cyclic number.

It is not a de Polignac number, because 6534712979 - 2¹² = 6534708883 is a prime.

It is a super-2 number, since 2×6534712979² = 85404947435822108882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6534712979.

It is not an unprimeable number, because it can be changed into a prime (6534712939) 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, 45827 + ... + 123164.

It is an arithmetic number, because the mean of its divisors is an integer number (1633730160).

Almost surely, 2^6534712979 is an apocalyptic number.

6534712979 is a deficient number, since it is larger than the sum of its proper divisors (207661).

6534712979 is a wasteful number, since it uses less digits than its factorization.

6534712979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207660.

The product of its digits is 2857680, while the sum is 53.

The square root of 6534712979 is about 80837.5715802992. The cubic root of 6534712979 is about 1869.5719018697.

The spelling of 6534712979 in words is "six billion, five hundred thirty-four million, seven hundred twelve thousand, nine hundred seventy-nine".