536651643 has 16 divisors (see below), whose sum is σ = 780990336. Its totient is φ = 325074240.

The previous prime is 536651623. The next prime is 536651651. The reversal of 536651643 is 346156635.

It is a happy number.

It is not a de Polignac number, because 536651643 - 2⁵ = 536651611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (536651603) 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, 94696 + ... + 100202.

It is an arithmetic number, because the mean of its divisors is an integer number (48811896).

Almost surely, 2^536651643 is an apocalyptic number.

536651643 is a deficient number, since it is larger than the sum of its proper divisors (244338693).

536651643 is a wasteful number, since it uses less digits than its factorization.

536651643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474.

The product of its digits is 194400, while the sum is 39.

The square root of 536651643 is about 23165.7428760659. The cubic root of 536651643 is about 812.6386757538.

The spelling of 536651643 in words is "five hundred thirty-six million, six hundred fifty-one thousand, six hundred forty-three".