2513149994 has 8 divisors (see below), whose sum is σ = 3770266500. Its totient is φ = 1256394496.

The previous prime is 2513149987. The next prime is 2513149999. The reversal of 2513149994 is 4999413152.

It can be written as a sum of positive squares in 2 ways, for example, as 2066884369 + 446265625 = 45463^2 + 21125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2513149999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72119 + ... + 101130.

Almost surely, 2^2513149994 is an apocalyptic number.

2513149994 is a deficient number, since it is larger than the sum of its proper divisors (1257116506).

2513149994 is a wasteful number, since it uses less digits than its factorization.

2513149994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180504.

The product of its digits is 349920, while the sum is 47.

The square root of 2513149994 is about 50131.3274709537. The cubic root of 2513149994 is about 1359.5842865080.

The spelling of 2513149994 in words is "two billion, five hundred thirteen million, one hundred forty-nine thousand, nine hundred ninety-four".