6197981312 has 32 divisors (see below), whose sum is σ = 13073871420. Its totient is φ = 2916696064.

The previous prime is 6197981303. The next prime is 6197981323. The reversal of 6197981312 is 2131897916.

It can be written as a sum of positive squares in 2 ways, for example, as 6180475456 + 17505856 = 78616^2 + 4184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421993 + ... + 1426344.

Almost surely, 2^6197981312 is an apocalyptic number.

It is an amenable number.

6197981312 is an abundant number, since it is smaller than the sum of its proper divisors (6875890108).

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

6197981312 is a wasteful number, since it uses less digits than its factorization.

6197981312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848368 (or 2848356 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 6197981312 is about 78727.2590149054. The cubic root of 6197981312 is about 1836.8911459706.

The spelling of 6197981312 in words is "six billion, one hundred ninety-seven million, nine hundred eighty-one thousand, three hundred twelve".