5644945989496 has 32 divisors (see below), whose sum is σ = 11554330106880. Its totient is φ = 2564140168800.

The previous prime is 5644945989479. The next prime is 5644945989503. The reversal of 5644945989496 is 6949895494465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21674466 + ... + 21933361.

It is an arithmetic number, because the mean of its divisors is an integer number (361072815840).

Almost surely, 2^{5644945989496} is an apocalyptic number.

It is an amenable number.

5644945989496 is an abundant number, since it is smaller than the sum of its proper divisors (5909384117384).

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

5644945989496 is a wasteful number, since it uses less digits than its factorization.

5644945989496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43609315 (or 43609311 counting only the distinct ones).

The product of its digits is 12093235200, while the sum is 82.

The spelling of 5644945989496 in words is "five trillion, six hundred forty-four billion, nine hundred forty-five million, nine hundred eighty-nine thousand, four hundred ninety-six".