104387601641 has 4 divisors (see below), whose sum is σ = 104394220500. Its totient is φ = 104380982784.

The previous prime is 104387601623. The next prime is 104387601667. The reversal of 104387601641 is 146106783401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146106783401 = 5879 ⋅24852319.

It can be written as a sum of positive squares in 2 ways, for example, as 13306776025 + 91080825616 = 115355^2 + 301796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104387601641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104387601611) 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, 3285716 + ... + 3317333.

It is an arithmetic number, because the mean of its divisors is an integer number (26098555125).

Almost surely, 2^104387601641 is an apocalyptic number.

It is an amenable number.

104387601641 is a deficient number, since it is larger than the sum of its proper divisors (6618859).

104387601641 is an equidigital number, since it uses as much as digits as its factorization.

104387601641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618858.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 104387601641 in words is "one hundred four billion, three hundred eighty-seven million, six hundred one thousand, six hundred forty-one".