104747380609 has 3 divisors (see below), whose sum is σ = 104747704257. Its totient is φ = 104747056962.

The previous prime is 104747380583. The next prime is 104747380649. The reversal of 104747380609 is 906083747401.

The square root of 104747380609 is 323647.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 104747380609 - 2⁷ = 104747380481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104747380649) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161824 + ... + 485470.

It is an arithmetic number, because the mean of its divisors is an integer number (34915901419).

Almost surely, 2^104747380609 is an apocalyptic number.

104747380609 is the 323647-th square number.

104747380609 is the 161824-th centered octagonal number.

It is an amenable number.

104747380609 is a deficient number, since it is larger than the sum of its proper divisors (323648).

104747380609 is an frugal number, since it uses more digits than its factorization.

104747380609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647294 (or 323647 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

Multiplying 104747380609 by its sum of digits (49), we get a square (5132621649841 = 2265529²).

The spelling of 104747380609 in words is "one hundred four billion, seven hundred forty-seven million, three hundred eighty thousand, six hundred nine".