104221572697 has 4 divisors (see below), whose sum is σ = 113696261136. Its totient is φ = 94746884260.

The previous prime is 104221572683. The next prime is 104221572701. The reversal of 104221572697 is 796275122401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104221572697 - 2¹⁹ = 104221048409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104221572677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4737344203 + ... + 4737344224.

It is an arithmetic number, because the mean of its divisors is an integer number (28424065284).

Almost surely, 2^104221572697 is an apocalyptic number.

It is an amenable number.

104221572697 is a deficient number, since it is larger than the sum of its proper divisors (9474688439).

104221572697 is an equidigital number, since it uses as much as digits as its factorization.

104221572697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474688438.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 104221572697 in words is "one hundred four billion, two hundred twenty-one million, five hundred seventy-two thousand, six hundred ninety-seven".