104533437921 has 16 divisors (see below), whose sum is σ = 152054208768. Its totient is φ = 63351277200.

The previous prime is 104533437893. The next prime is 104533437923. The reversal of 104533437921 is 129734335401.

It is not a de Polignac number, because 104533437921 - 2⁵ = 104533437889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104533437923) 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, 1411506 + ... + 1483716.

It is an arithmetic number, because the mean of its divisors is an integer number (9503388048).

Almost surely, 2^104533437921 is an apocalyptic number.

104533437921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104533437921 is a deficient number, since it is larger than the sum of its proper divisors (47520770847).

104533437921 is a wasteful number, since it uses less digits than its factorization.

104533437921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116092.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 104533437921 in words is "one hundred four billion, five hundred thirty-three million, four hundred thirty-seven thousand, nine hundred twenty-one".