6197990436 has 36 divisors (see below), whose sum is σ = 17091429264. Its totient is φ = 1878178800.

The previous prime is 6197990423. The next prime is 6197990479. The reversal of 6197990436 is 6340997916.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7825350 + ... + 7826141.

It is an arithmetic number, because the mean of its divisors is an integer number (474761924).

Almost surely, 2^6197990436 is an apocalyptic number.

6197990436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6197990436 is an abundant number, since it is smaller than the sum of its proper divisors (10893438828).

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

6197990436 is a wasteful number, since it uses less digits than its factorization.

6197990436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651512 (or 15651507 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 6197990436 is about 78727.3169617764. The cubic root of 6197990436 is about 1836.8920473278.

The spelling of 6197990436 in words is "six billion, one hundred ninety-seven million, nine hundred ninety thousand, four hundred thirty-six".