536421061643 has 8 divisors (see below), whose sum is σ = 539216000400. Its totient is φ = 533628506880.

The previous prime is 536421061639. The next prime is 536421061697. The reversal of 536421061643 is 346160124635.

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 536421061643 - 2² = 536421061639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536421061643.

It is not an unprimeable number, because it can be changed into a prime (536421061613) 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, 143918 + ... + 1045731.

It is an arithmetic number, because the mean of its divisors is an integer number (67402000050).

Almost surely, 2^536421061643 is an apocalyptic number.

536421061643 is a deficient number, since it is larger than the sum of its proper divisors (2794938757).

536421061643 is a wasteful number, since it uses less digits than its factorization.

536421061643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191997.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 536421061643 in words is "five hundred thirty-six billion, four hundred twenty-one million, sixty-one thousand, six hundred forty-three".