2513627863 has 4 divisors (see below), whose sum is σ = 2516120080. Its totient is φ = 2511135648.

The previous prime is 2513627861. The next prime is 2513627881. The reversal of 2513627863 is 3687263152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2513627863 - 2¹ = 2513627861 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 (2513627861) 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 3 ways as a sum of consecutive naturals, for example, 1244595 + ... + 1246612.

It is an arithmetic number, because the mean of its divisors is an integer number (629030020).

Almost surely, 2^2513627863 is an apocalyptic number.

2513627863 is a deficient number, since it is larger than the sum of its proper divisors (2492217).

2513627863 is a wasteful number, since it uses less digits than its factorization.

2513627863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492216.

The product of its digits is 362880, while the sum is 43.

The square root of 2513627863 is about 50136.0934158217. The cubic root of 2513627863 is about 1359.6704548637.

The spelling of 2513627863 in words is "two billion, five hundred thirteen million, six hundred twenty-seven thousand, eight hundred sixty-three".