6996813972 has 24 divisors (see below), whose sum is σ = 16705572576. Its totient is φ = 2278032288.

The previous prime is 6996813961. The next prime is 6996813977. The reversal of 6996813972 is 2793186996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6996813977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6779343 + ... + 6780374.

It is an arithmetic number, because the mean of its divisors is an integer number (696065524).

Almost surely, 2^6996813972 is an apocalyptic number.

It is an amenable number.

6996813972 is an abundant number, since it is smaller than the sum of its proper divisors (9708758604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6996813972 is a wasteful number, since it uses less digits than its factorization.

6996813972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559767 (or 13559765 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 60.

The square root of 6996813972 is about 83646.9603273185. The cubic root of 6996813972 is about 1912.6409171915.

The spelling of 6996813972 in words is "six billion, nine hundred ninety-six million, eight hundred thirteen thousand, nine hundred seventy-two".