104356581634 has 4 divisors (see below), whose sum is σ = 156534872454. Its totient is φ = 52178290816.

The previous prime is 104356581631. The next prime is 104356581649. The reversal of 104356581634 is 436185653401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436185653401 = 73 ⋅5975145937.

It can be written as a sum of positive squares in only one way, i.e., 70170420609 + 34186161025 = 264897^2 + 184895^2 .

It is a super-2 number, since 2×104356581634² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104356581631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26089145407 + ... + 26089145410.

Almost surely, 2^104356581634 is an apocalyptic number.

104356581634 is a deficient number, since it is larger than the sum of its proper divisors (52178290820).

104356581634 is an equidigital number, since it uses as much as digits as its factorization.

104356581634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52178290819.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 104356581634 in words is "one hundred four billion, three hundred fifty-six million, five hundred eighty-one thousand, six hundred thirty-four".