2513632991 has 16 divisors (see below), whose sum is σ = 2616814080. Its totient is φ = 2412725760.

The previous prime is 2513632973. The next prime is 2513633009. The reversal of 2513632991 is 1992363152.

It is an interprime number because it is at equal distance from previous prime (2513632973) and next prime (2513633009).

It is a cyclic number.

It is not a de Polignac number, because 2513632991 - 2¹⁴ = 2513616607 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 (2513632921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599236 + ... + 1600806.

It is an arithmetic number, because the mean of its divisors is an integer number (163550880).

Almost surely, 2^2513632991 is an apocalyptic number.

2513632991 is a deficient number, since it is larger than the sum of its proper divisors (103181089).

2513632991 is a wasteful number, since it uses less digits than its factorization.

2513632991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254.

The product of its digits is 87480, while the sum is 41.

The square root of 2513632991 is about 50136.1445565971. The cubic root of 2513632991 is about 1359.6713794749.

The spelling of 2513632991 in words is "two billion, five hundred thirteen million, six hundred thirty-two thousand, nine hundred ninety-one".