2479491188 has 6 divisors (see below), whose sum is σ = 4339109586. Its totient is φ = 1239745592.

The previous prime is 2479491151. The next prime is 2479491193. The reversal of 2479491188 is 8811949742.

It can be written as a sum of positive squares in only one way, i.e., 2238993124 + 240498064 = 47318^2 + 15508^2 .

It is a super-2 number, since 2×2479491188² = 12295753102739302688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309936395 + ... + 309936402.

It is an arithmetic number, because the mean of its divisors is an integer number (723184931).

Almost surely, 2^2479491188 is an apocalyptic number.

It is an amenable number.

2479491188 is a deficient number, since it is larger than the sum of its proper divisors (1859618398).

2479491188 is a wasteful number, since it uses less digits than its factorization.

2479491188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619872801 (or 619872799 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 53.

The square root of 2479491188 is about 49794.4895344856. The cubic root of 2479491188 is about 1353.4873145078.

The spelling of 2479491188 in words is "two billion, four hundred seventy-nine million, four hundred ninety-one thousand, one hundred eighty-eight".