5712028981 has 4 divisors (see below), whose sum is σ = 5712933600. Its totient is φ = 5711124364.

The previous prime is 5712028963. The next prime is 5712028991. The reversal of 5712028981 is 1898202175.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5712028981 - 2⁷ = 5712028853 is a prime.

It is a super-2 number, since 2×5712028981² = 65254550159567796722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5712028961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442771 + ... + 455488.

It is an arithmetic number, because the mean of its divisors is an integer number (1428233400).

Almost surely, 2^5712028981 is an apocalyptic number.

It is an amenable number.

5712028981 is a deficient number, since it is larger than the sum of its proper divisors (904619).

5712028981 is an equidigital number, since it uses as much as digits as its factorization.

5712028981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904618.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 5712028981 is about 75577.9662401682. The cubic root of 5712028981 is about 1787.5716873201.

The spelling of 5712028981 in words is "five billion, seven hundred twelve million, twenty-eight thousand, nine hundred eighty-one".