2515412898 has 12 divisors (see below), whose sum is σ = 5450061318. Its totient is φ = 838470960.

The previous prime is 2515412863. The next prime is 2515412941. The reversal of 2515412898 is 8982145152.

2515412898 is a `hidden beast` number, since 2 + 515 + 4 + 128 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1296216009 + 1219196889 = 36003^2 + 34917^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69872563 + ... + 69872598.

Almost surely, 2^2515412898 is an apocalyptic number.

2515412898 is an abundant number, since it is smaller than the sum of its proper divisors (2934648420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2515412898 is a wasteful number, since it uses less digits than its factorization.

2515412898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139745169 (or 139745166 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 2515412898 is about 50153.8921520554. The cubic root of 2515412898 is about 1359.9922321500.

The spelling of 2515412898 in words is "two billion, five hundred fifteen million, four hundred twelve thousand, eight hundred ninety-eight".