18007736475763 has 4 divisors (see below), whose sum is σ = 18019797921648. Its totient is φ = 17995675029880.

The previous prime is 18007736475733. The next prime is 18007736475769. The reversal of 18007736475763 is 36757463770081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18007736475763 - 2²⁹ = 18007199604851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18007736475695 and 18007736475704.

It is not an unprimeable number, because it can be changed into a prime (18007736475769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6030720703 + ... + 6030723688.

It is an arithmetic number, because the mean of its divisors is an integer number (4504949480412).

Almost surely, 2^{18007736475763} is an apocalyptic number.

18007736475763 is a deficient number, since it is larger than the sum of its proper divisors (12061445885).

18007736475763 is a wasteful number, since it uses less digits than its factorization.

18007736475763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061445884.

The product of its (nonzero) digits is 124467840, while the sum is 64.

The spelling of 18007736475763 in words is "eighteen trillion, seven billion, seven hundred thirty-six million, four hundred seventy-five thousand, seven hundred sixty-three".