104745261821 has 8 divisors (see below), whose sum is σ = 105177960960. Its totient is φ = 104313453552.

The previous prime is 104745261809. The next prime is 104745261827. The reversal of 104745261821 is 128162547401.

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 104745261821 - 2²² = 104741067517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104745261827) 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, 13436 + ... + 457898.

It is an arithmetic number, because the mean of its divisors is an integer number (13147245120).

Almost surely, 2^104745261821 is an apocalyptic number.

It is an amenable number.

104745261821 is a deficient number, since it is larger than the sum of its proper divisors (432699139).

104745261821 is an equidigital number, since it uses as much as digits as its factorization.

104745261821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445435.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 104745261821 in words is "one hundred four billion, seven hundred forty-five million, two hundred sixty-one thousand, eight hundred twenty-one".