5272981768 has 8 divisors (see below), whose sum is σ = 9886840830. Its totient is φ = 2636490880.

The previous prime is 5272981741. The next prime is 5272981781. The reversal of 5272981768 is 8671892725.

It can be written as a sum of positive squares in only one way, i.e., 2920537764 + 2352444004 = 54042^2 + 48502^2 .

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, 329561353 + ... + 329561368.

Almost surely, 2^5272981768 is an apocalyptic number.

It is an amenable number.

5272981768 is a deficient number, since it is larger than the sum of its proper divisors (4613859062).

5272981768 is a wasteful number, since it uses less digits than its factorization.

5272981768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659122727 (or 659122723 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 5272981768 is about 72615.2998203547. The cubic root of 5272981768 is about 1740.5456702285.

The spelling of 5272981768 in words is "five billion, two hundred seventy-two million, nine hundred eighty-one thousand, seven hundred sixty-eight".