2472991863 has 8 divisors (see below), whose sum is σ = 3315744000. Its totient is φ = 1639450488.

The previous prime is 2472991847. The next prime is 2472991883. The reversal of 2472991863 is 3681992742.

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

It is not a de Polignac number, because 2472991863 - 2⁴ = 2472991847 is a prime.

It is a super-2 number, since 2×2472991863² = 12231377508928421538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472991813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302063 + ... + 2303136.

It is an arithmetic number, because the mean of its divisors is an integer number (414468000).

Almost surely, 2^2472991863 is an apocalyptic number.

2472991863 is a deficient number, since it is larger than the sum of its proper divisors (842752137).

2472991863 is a wasteful number, since it uses less digits than its factorization.

2472991863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605381.

The product of its digits is 1306368, while the sum is 51.

The square root of 2472991863 is about 49729.1852235687. The cubic root of 2472991863 is about 1352.3036776780.

The spelling of 2472991863 in words is "two billion, four hundred seventy-two million, nine hundred ninety-one thousand, eight hundred sixty-three".