104156580469 has 4 divisors (see below), whose sum is σ = 104187317580. Its totient is φ = 104125843360.

The previous prime is 104156580449. The next prime is 104156580481. The reversal of 104156580469 is 964085651401.

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 57918679569 + 46237900900 = 240663^2 + 215030^2 .

It is a cyclic number.

It is not a de Polignac number, because 104156580469 - 2¹³ = 104156572277 is a prime.

It is a super-2 number, since 2×104156580469² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104156580419) 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, 15363472 + ... + 15370249.

It is an arithmetic number, because the mean of its divisors is an integer number (26046829395).

Almost surely, 2^104156580469 is an apocalyptic number.

It is an amenable number.

104156580469 is a deficient number, since it is larger than the sum of its proper divisors (30737111).

104156580469 is an equidigital number, since it uses as much as digits as its factorization.

104156580469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30737110.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 104156580469 in words is "one hundred four billion, one hundred fifty-six million, five hundred eighty thousand, four hundred sixty-nine".