5979898644 has 12 divisors (see below), whose sum is σ = 13953096864. Its totient is φ = 1993299544.

The previous prime is 5979898627. The next prime is 5979898651. The reversal of 5979898644 is 4468989795.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 249162432 + ... + 249162455.

It is an arithmetic number, because the mean of its divisors is an integer number (1162758072).

Almost surely, 2^5979898644 is an apocalyptic number.

It is an amenable number.

5979898644 is an abundant number, since it is smaller than the sum of its proper divisors (7973198220).

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

5979898644 is a wasteful number, since it uses less digits than its factorization.

5979898644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498324894 (or 498324892 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The square root of 5979898644 is about 77329.8043706306. The cubic root of 5979898644 is about 1815.0890675656.

The spelling of 5979898644 in words is "five billion, nine hundred seventy-nine million, eight hundred ninety-eight thousand, six hundred forty-four".