18095630401 has 4 divisors (see below), whose sum is σ = 18141211732. Its totient is φ = 18050049072.

The previous prime is 18095630347. The next prime is 18095630407. The reversal of 18095630401 is 10403659081.

It is a Cunningham number, because it is equal to 134520²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10403659081 = 7867 ⋅1322443.

It can be written as a sum of positive squares in 2 ways, for example, as 12127295376 + 5968335025 = 110124^2 + 77255^2 .

It is a cyclic number.

It is not a de Polignac number, because 18095630401 - 2²⁷ = 17961412673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18095630407) 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, 22790070 + ... + 22790863.

It is an arithmetic number, because the mean of its divisors is an integer number (4535302933).

Almost surely, 2^18095630401 is an apocalyptic number.

It is an amenable number.

18095630401 is a deficient number, since it is larger than the sum of its proper divisors (45581331).

18095630401 is an equidigital number, since it uses as much as digits as its factorization.

18095630401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45581330.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 18095630401 in words is "eighteen billion, ninety-five million, six hundred thirty thousand, four hundred one".