4525979881 has 4 divisors (see below), whose sum is σ = 4671979264. Its totient is φ = 4379980500.

The previous prime is 4525979869. The next prime is 4525979929. The reversal of 4525979881 is 1889795254.

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 4525979881 - 2⁹ = 4525979369 is a prime.

It is a super-2 number, since 2×4525979881² = 40968987766433548322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4525979281) 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, 72999645 + ... + 72999706.

It is an arithmetic number, because the mean of its divisors is an integer number (1167994816).

Almost surely, 2^4525979881 is an apocalyptic number.

It is an amenable number.

4525979881 is a deficient number, since it is larger than the sum of its proper divisors (145999383).

4525979881 is a wasteful number, since it uses less digits than its factorization.

4525979881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145999382.

The product of its digits is 7257600, while the sum is 58.

The square root of 4525979881 is about 67275.4032392226. The cubic root of 4525979881 is about 1654.1347029398.

The spelling of 4525979881 in words is "four billion, five hundred twenty-five million, nine hundred seventy-nine thousand, eight hundred eighty-one".