104367553921 has 4 divisors (see below), whose sum is σ = 104744332372. Its totient is φ = 103990775472.

The previous prime is 104367553889. The next prime is 104367553949. The reversal of 104367553921 is 129355763401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15661271025 + 88706282896 = 125145^2 + 297836^2 .

It is a cyclic number.

It is not a de Polignac number, because 104367553921 - 2⁵ = 104367553889 is a prime.

It is a super-2 number, since 2×104367553921² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104367553991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188388810 + ... + 188389363.

It is an arithmetic number, because the mean of its divisors is an integer number (26186083093).

Almost surely, 2^104367553921 is an apocalyptic number.

It is an amenable number.

104367553921 is a deficient number, since it is larger than the sum of its proper divisors (376778451).

104367553921 is an equidigital number, since it uses as much as digits as its factorization.

104367553921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376778450.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 104367553921 in words is "one hundred four billion, three hundred sixty-seven million, five hundred fifty-three thousand, nine hundred twenty-one".