536421020543 has 16 divisors (see below), whose sum is σ = 578767796640. Its totient is φ = 495275928576.

The previous prime is 536421020539. The next prime is 536421020573. The reversal of 536421020543 is 345020124635.

It is a cyclic number.

It is not a de Polignac number, because 536421020543 - 2² = 536421020539 is a prime.

It is a super-2 number, since 2×536421020543² (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 (536421020573) 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, 7656968 + ... + 7726706.

It is an arithmetic number, because the mean of its divisors is an integer number (36172987290).

Almost surely, 2^536421020543 is an apocalyptic number.

536421020543 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

536421020543 is a deficient number, since it is larger than the sum of its proper divisors (42346776097).

536421020543 is a wasteful number, since it uses less digits than its factorization.

536421020543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78346.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 536421020543 in words is "five hundred thirty-six billion, four hundred twenty-one million, twenty thousand, five hundred forty-three".