2479995137 has 2 divisors, whose sum is σ = 2479995138. Its totient is φ = 2479995136.

The previous prime is 2479995131. The next prime is 2479995157. The reversal of 2479995137 is 7315999742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2043853681 + 436141456 = 45209^2 + 20884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479995137 - 2⁶ = 2479995073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2479995131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239997568 + 1239997569.

It is an arithmetic number, because the mean of its divisors is an integer number (1239997569).

Almost surely, 2^2479995137 is an apocalyptic number.

It is an amenable number.

2479995137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479995137 is an equidigital number, since it uses as much as digits as its factorization.

2479995137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 56.

The square root of 2479995137 is about 49799.5495662360. The cubic root of 2479995137 is about 1353.5790056817.

The spelling of 2479995137 in words is "two billion, four hundred seventy-nine million, nine hundred ninety-five thousand, one hundred thirty-seven".