5242989736 has 8 divisors (see below), whose sum is σ = 9830605770. Its totient is φ = 2621494864.

The previous prime is 5242989691. The next prime is 5242989743. The reversal of 5242989736 is 6379892425.

It can be written as a sum of positive squares in only one way, i.e., 5125700836 + 117288900 = 71594^2 + 10830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 327686851 + ... + 327686866.

Almost surely, 2^5242989736 is an apocalyptic number.

It is an amenable number.

5242989736 is a deficient number, since it is larger than the sum of its proper divisors (4587616034).

5242989736 is a wasteful number, since it uses less digits than its factorization.

5242989736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655373723 (or 655373719 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The square root of 5242989736 is about 72408.4921538903. The cubic root of 5242989736 is about 1737.2393948703.

The spelling of 5242989736 in words is "five billion, two hundred forty-two million, nine hundred eighty-nine thousand, seven hundred thirty-six".