104550542643 has 4 divisors (see below), whose sum is σ = 139400723528. Its totient is φ = 69700361760.

The previous prime is 104550542599. The next prime is 104550542647. The reversal of 104550542643 is 346245055401.

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

It is not a de Polignac number, because 104550542643 - 2¹⁷ = 104550411571 is a prime.

It is a super-2 number, since 2×104550542643² (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 (104550542647) 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, 17425090438 + ... + 17425090443.

It is an arithmetic number, because the mean of its divisors is an integer number (34850180882).

Almost surely, 2^104550542643 is an apocalyptic number.

104550542643 is a deficient number, since it is larger than the sum of its proper divisors (34850180885).

104550542643 is an equidigital number, since it uses as much as digits as its factorization.

104550542643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34850180884.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 104550542643 in words is "one hundred four billion, five hundred fifty million, five hundred forty-two thousand, six hundred forty-three".