2512919538 has 40 divisors (see below), whose sum is σ = 5680672668. Its totient is φ = 830221056.

The previous prime is 2512919509. The next prime is 2512919567. The reversal of 2512919538 is 8359192152.

2512919538 is a `hidden beast` number, since 25 + 1 + 2 + 91 + 9 + 538 = 666.

2512919538 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2512919509) and next prime (2512919567).

It can be written as a sum of positive squares in 2 ways, for example, as 2506704489 + 6215049 = 50067^2 + 2493^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2512919493 and 2512919502.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50331 + ... + 86942.

Almost surely, 2^2512919538 is an apocalyptic number.

2512919538 is an abundant number, since it is smaller than the sum of its proper divisors (3167753130).

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

2512919538 is a wasteful number, since it uses less digits than its factorization.

2512919538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137400 (or 137391 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 2512919538 is about 50129.0288954414. The cubic root of 2512919538 is about 1359.5427272517.

The spelling of 2512919538 in words is "two billion, five hundred twelve million, nine hundred nineteen thousand, five hundred thirty-eight".