5187663651 has 16 divisors (see below), whose sum is σ = 7285299840. Its totient is φ = 3274453440.

The previous prime is 5187663641. The next prime is 5187663653. The reversal of 5187663651 is 1563667815.

It is not a de Polignac number, because 5187663651 - 2⁹ = 5187663139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5187663651.

It is not an unprimeable number, because it can be changed into a prime (5187663653) 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, 71656 + ... + 124538.

It is an arithmetic number, because the mean of its divisors is an integer number (455331240).

Almost surely, 2^5187663651 is an apocalyptic number.

5187663651 is a deficient number, since it is larger than the sum of its proper divisors (2097636189).

5187663651 is a wasteful number, since it uses less digits than its factorization.

5187663651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54626.

The product of its digits is 907200, while the sum is 48.

The square root of 5187663651 is about 72025.4375273070. The cubic root of 5187663651 is about 1731.1070966234.

The spelling of 5187663651 in words is "five billion, one hundred eighty-seven million, six hundred sixty-three thousand, six hundred fifty-one".