5361638751 has 36 divisors (see below), whose sum is σ = 9342699912. Its totient is φ = 3063786768.

The previous prime is 5361638743. The next prime is 5361638771. The reversal of 5361638751 is 1578361635.

5361638751 is a `hidden beast` number, since 5 + 3 + 6 + 1 + 638 + 7 + 5 + 1 = 666.

It is not a de Polignac number, because 5361638751 - 2³ = 5361638743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5361638697 and 5361638706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5361638701) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 213240 + ... + 237053.

It is an arithmetic number, because the mean of its divisors is an integer number (259519442).

Almost surely, 2^5361638751 is an apocalyptic number.

5361638751 is a deficient number, since it is larger than the sum of its proper divisors (3981061161).

5361638751 is an equidigital number, since it uses as much as digits as its factorization.

5361638751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450322 (or 450303 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 5361638751 is about 73223.2118320413. The cubic root of 5361638751 is about 1750.2463599832.

The spelling of 5361638751 in words is "five billion, three hundred sixty-one million, six hundred thirty-eight thousand, seven hundred fifty-one".