2479645531 has 8 divisors (see below), whose sum is σ = 2742124464. Its totient is φ = 2223342720.

The previous prime is 2479645523. The next prime is 2479645541. The reversal of 2479645531 is 1355469742.

It is a happy number.

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 2479645531 - 2³ = 2479645523 is a prime.

It is a super-2 number, since 2×2479645531² = 12297283918816543922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2479645541) 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, 1543186 + ... + 1544791.

It is an arithmetic number, because the mean of its divisors is an integer number (342765558).

Almost surely, 2^2479645531 is an apocalyptic number.

2479645531 is a deficient number, since it is larger than the sum of its proper divisors (262478933).

2479645531 is a wasteful number, since it uses less digits than its factorization.

2479645531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088061.

The product of its digits is 907200, while the sum is 46.

The square root of 2479645531 is about 49796.0393103709. The cubic root of 2479645531 is about 1353.5153978177.

The spelling of 2479645531 in words is "two billion, four hundred seventy-nine million, six hundred forty-five thousand, five hundred thirty-one".