536562145621 has 4 divisors (see below), whose sum is σ = 538287426144. Its totient is φ = 534836865100.

The previous prime is 536562145577. The next prime is 536562145627. The reversal of 536562145621 is 126541265635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 536562145621 - 2²³ = 536553757013 is a prime.

It is a super-2 number, since 2×536562145621² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536562145627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862639795 + ... + 862640416.

It is an arithmetic number, because the mean of its divisors is an integer number (134571856536).

Almost surely, 2^536562145621 is an apocalyptic number.

It is an amenable number.

536562145621 is a deficient number, since it is larger than the sum of its proper divisors (1725280523).

536562145621 is a wasteful number, since it uses less digits than its factorization.

536562145621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725280522.

The product of its digits is 1296000, while the sum is 46.

The spelling of 536562145621 in words is "five hundred thirty-six billion, five hundred sixty-two million, one hundred forty-five thousand, six hundred twenty-one".