5253916638 has 16 divisors (see below), whose sum is σ = 10562280336. Its totient is φ = 1742231040.

The previous prime is 5253916627. The next prime is 5253916649. The reversal of 5253916638 is 8366193525.

It is an interprime number because it is at equal distance from previous prime (5253916627) and next prime (5253916649).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267373 + ... + 2269688.

It is an arithmetic number, because the mean of its divisors is an integer number (660142521).

Almost surely, 2^5253916638 is an apocalyptic number.

5253916638 is an abundant number, since it is smaller than the sum of its proper divisors (5308363698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5253916638 is a wasteful number, since it uses less digits than its factorization.

5253916638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537259.

The product of its digits is 1166400, while the sum is 48.

The square root of 5253916638 is about 72483.9060619666. The cubic root of 5253916638 is about 1738.4454162177.

The spelling of 5253916638 in words is "five billion, two hundred fifty-three million, nine hundred sixteen thousand, six hundred thirty-eight".