536421061645 has 48 divisors (see below), whose sum is σ = 791279271360. Its totient is φ = 347115331584.

The previous prime is 536421061639. The next prime is 536421061697. The reversal of 536421061645 is 546160124635.

It is not a de Polignac number, because 536421061645 - 2⁵ = 536421061613 is a prime.

It is a super-3 number, since 3×536421061645³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 972142 + ... + 1420528.

It is an arithmetic number, because the mean of its divisors is an integer number (16484984820).

Almost surely, 2^536421061645 is an apocalyptic number.

It is an amenable number.

536421061645 is a deficient number, since it is larger than the sum of its proper divisors (254858209715).

536421061645 is a wasteful number, since it uses less digits than its factorization.

536421061645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448682 (or 448675 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 536421061645 in words is "five hundred thirty-six billion, four hundred twenty-one million, sixty-one thousand, six hundred forty-five".