4979221631 has 8 divisors (see below), whose sum is σ = 5203958784. Its totient is φ = 4755171960.

The previous prime is 4979221627. The next prime is 4979221651. The reversal of 4979221631 is 1361229794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4979221631 - 2² = 4979221627 is a prime.

It is a super-2 number, since 2×4979221631² = 49585296101236600322, 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 (4979221651) 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 7 ways as a sum of consecutive naturals, for example, 157031 + ... + 186056.

It is an arithmetic number, because the mean of its divisors is an integer number (650494848).

Almost surely, 2^4979221631 is an apocalyptic number.

4979221631 is a deficient number, since it is larger than the sum of its proper divisors (224737153).

4979221631 is a wasteful number, since it uses less digits than its factorization.

4979221631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343741.

The product of its digits is 163296, while the sum is 44.

The square root of 4979221631 is about 70563.5999010821. The cubic root of 4979221631 is about 1707.6039571511.

The spelling of 4979221631 in words is "four billion, nine hundred seventy-nine million, two hundred twenty-one thousand, six hundred thirty-one".