536421623556 has 96 divisors (see below), whose sum is σ = 1593613405440. Its totient is φ = 136595418624.

The previous prime is 536421623537. The next prime is 536421623557. The reversal of 536421623556 is 655326124635.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (536421623557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8437791 + ... + 8501126.

It is an arithmetic number, because the mean of its divisors is an integer number (16600139640).

Almost surely, 2^536421623556 is an apocalyptic number.

It is an amenable number.

536421623556 is an abundant number, since it is smaller than the sum of its proper divisors (1057191781884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

536421623556 is a wasteful number, since it uses less digits than its factorization.

536421623556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938973 (or 16938971 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 536421623556 in words is "five hundred thirty-six billion, four hundred twenty-one million, six hundred twenty-three thousand, five hundred fifty-six".