2479918258 has 8 divisors (see below), whose sum is σ = 3735843228. Its totient is φ = 1234637184.

The previous prime is 2479918249. The next prime is 2479918277. The reversal of 2479918258 is 8528199742.

It can be written as a sum of positive squares in 2 ways, for example, as 2478745369 + 1172889 = 49787^2 + 1083^2 .

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

It is a super-2 number, since 2×2479918258² = 12299989132723509128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2479918199 and 2479918208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660391 + ... + 2661322.

Almost surely, 2^2479918258 is an apocalyptic number.

2479918258 is a deficient number, since it is larger than the sum of its proper divisors (1255924970).

2479918258 is a wasteful number, since it uses less digits than its factorization.

2479918258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321948.

The product of its digits is 2903040, while the sum is 55.

The square root of 2479918258 is about 49798.7776757623. Note that the first 3 decimals coincide. The cubic root of 2479918258 is about 1353.5650187086.

The spelling of 2479918258 in words is "two billion, four hundred seventy-nine million, nine hundred eighteen thousand, two hundred fifty-eight".