2479768918 has 24 divisors (see below), whose sum is σ = 4091106600. Its totient is φ = 1126461600.

The previous prime is 2479768913. The next prime is 2479768939. The reversal of 2479768918 is 8198679742.

2479768918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2479768918² = 12298507773357781448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479768913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717258 + ... + 720706.

It is an arithmetic number, because the mean of its divisors is an integer number (170462775).

Almost surely, 2^2479768918 is an apocalyptic number.

2479768918 is a deficient number, since it is larger than the sum of its proper divisors (1611337682).

2479768918 is a wasteful number, since it uses less digits than its factorization.

2479768918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6433 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 61.

The square root of 2479768918 is about 49797.2782187942. The cubic root of 2479768918 is about 1353.5378477247.

The spelling of 2479768918 in words is "two billion, four hundred seventy-nine million, seven hundred sixty-eight thousand, nine hundred eighteen".