104542570637 has 4 divisors (see below), whose sum is σ = 104842119900. Its totient is φ = 104243021376.

The previous prime is 104542570633. The next prime is 104542570667. The reversal of 104542570637 is 736075245401.

It is a happy number.

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 52023223396 + 52519347241 = 228086^2 + 229171^2 .

It is a cyclic number.

It is not a de Polignac number, because 104542570637 - 2² = 104542570633 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 (104542570633) 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, 149774108 + ... + 149774805.

It is an arithmetic number, because the mean of its divisors is an integer number (26210529975).

Almost surely, 2^104542570637 is an apocalyptic number.

It is an amenable number.

104542570637 is a deficient number, since it is larger than the sum of its proper divisors (299549263).

104542570637 is an equidigital number, since it uses as much as digits as its factorization.

104542570637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299549262.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 104542570637 in words is "one hundred four billion, five hundred forty-two million, five hundred seventy thousand, six hundred thirty-seven".