536564639 has 8 divisors (see below), whose sum is σ = 593456640. Its totient is φ = 481903776.

The previous prime is 536564627. The next prime is 536564653. The reversal of 536564639 is 936465635.

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

It is a cyclic number.

It is not a de Polignac number, because 536564639 - 2¹² = 536560543 is a prime.

It is a super-2 number, since 2×536564639² = 575803223650400642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 536564593 and 536564602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536564669) 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, 557279 + ... + 558240.

It is an arithmetic number, because the mean of its divisors is an integer number (74182080).

Almost surely, 2^536564639 is an apocalyptic number.

536564639 is a deficient number, since it is larger than the sum of its proper divisors (56892001).

536564639 is a wasteful number, since it uses less digits than its factorization.

536564639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115569.

The product of its digits is 1749600, while the sum is 47.

The square root of 536564639 is about 23163.8649408945. The cubic root of 536564639 is about 812.5947573588.

The spelling of 536564639 in words is "five hundred thirty-six million, five hundred sixty-four thousand, six hundred thirty-nine".