2518130493 has 6 divisors (see below), whose sum is σ = 3637299614. Its totient is φ = 1678753656.

The previous prime is 2518130471. The next prime is 2518130513. The reversal of 2518130493 is 3940318152.

2518130493 is a `hidden beast` number, since 2 + 518 + 130 + 4 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2418869124 + 99261369 = 49182^2 + 9963^2 .

It is not a de Polignac number, because 2518130493 - 2⁶ = 2518130429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518130893) 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 5 ways as a sum of consecutive naturals, for example, 139896130 + ... + 139896147.

Almost surely, 2^2518130493 is an apocalyptic number.

It is an amenable number.

2518130493 is a deficient number, since it is larger than the sum of its proper divisors (1119169121).

2518130493 is a wasteful number, since it uses less digits than its factorization.

2518130493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279792283 (or 279792280 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2518130493 is about 50180.9774018004. The cubic root of 2518130493 is about 1360.4818241237.

The spelling of 2518130493 in words is "two billion, five hundred eighteen million, one hundred thirty thousand, four hundred ninety-three".