536421543623 has 16 divisors (see below), whose sum is σ = 614664610560. Its totient is φ = 458582294016.

The previous prime is 536421543601. The next prime is 536421543629. The reversal of 536421543623 is 326345124635.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-536421543623 is a prime.

It is a super-2 number, since 2×536421543623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536421543629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6868568 + ... + 6946226.

It is an arithmetic number, because the mean of its divisors is an integer number (38416538160).

Almost surely, 2^536421543623 is an apocalyptic number.

536421543623 is a deficient number, since it is larger than the sum of its proper divisors (78243066937).

536421543623 is a wasteful number, since it uses less digits than its factorization.

536421543623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80246.

The product of its digits is 1555200, while the sum is 44.

The spelling of 536421543623 in words is "five hundred thirty-six billion, four hundred twenty-one million, five hundred forty-three thousand, six hundred twenty-three".