7449944564 has 12 divisors (see below), whose sum is σ = 13051443300. Its totient is φ = 3720960768.

The previous prime is 7449944543. The next prime is 7449944591. The reversal of 7449944564 is 4654499447.

It can be written as a sum of positive squares in 2 ways, for example, as 2026800400 + 5423144164 = 45020^2 + 73642^2 .

It is a congruent number.

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, 998699 + ... + 1006130.

It is an arithmetic number, because the mean of its divisors is an integer number (1087620275).

Almost surely, 2^7449944564 is an apocalyptic number.

It is an amenable number.

7449944564 is a deficient number, since it is larger than the sum of its proper divisors (5601498736).

7449944564 is a wasteful number, since it uses less digits than its factorization.

7449944564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005762 (or 2005760 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 56.

The square root of 7449944564 is about 86313.0613754373. The cubic root of 7449944564 is about 1953.0694210135.

The spelling of 7449944564 in words is "seven billion, four hundred forty-nine million, nine hundred forty-four thousand, five hundred sixty-four".