536643651 has 8 divisors (see below), whose sum is σ = 715646800. Its totient is φ = 357701472.

The previous prime is 536643647. The next prime is 536643739. The reversal of 536643651 is 156346635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 536643651 - 2² = 536643647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536643551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12525 + ... + 35073.

It is an arithmetic number, because the mean of its divisors is an integer number (89455850).

Almost surely, 2^536643651 is an apocalyptic number.

536643651 is a deficient number, since it is larger than the sum of its proper divisors (179003149).

536643651 is a wasteful number, since it uses less digits than its factorization.

536643651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30485.

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

The square root of 536643651 is about 23165.5703793367. The cubic root of 536643651 is about 812.6346417027.

The spelling of 536643651 in words is "five hundred thirty-six million, six hundred forty-three thousand, six hundred fifty-one".