104435653181 has 4 divisors (see below), whose sum is σ = 104454133212. Its totient is φ = 104417173152.

The previous prime is 104435653171. The next prime is 104435653193. The reversal of 104435653181 is 181356534401.

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 90922753156 + 13512900025 = 301534^2 + 116245^2 .

It is a cyclic number.

It is not a de Polignac number, because 104435653181 - 2¹⁰ = 104435652157 is a prime.

It is a super-2 number, since 2×104435653181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104435653141) 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, 9231536 + ... + 9242841.

It is an arithmetic number, because the mean of its divisors is an integer number (26113533303).

Almost surely, 2^104435653181 is an apocalyptic number.

It is an amenable number.

104435653181 is a deficient number, since it is larger than the sum of its proper divisors (18480031).

104435653181 is an equidigital number, since it uses as much as digits as its factorization.

104435653181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18480030.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 104435653181 in words is "one hundred four billion, four hundred thirty-five million, six hundred fifty-three thousand, one hundred eighty-one".