18347527965 has 16 divisors (see below), whose sum is σ = 31614202368. Its totient is φ = 9032629056.

The previous prime is 18347527963. The next prime is 18347527997. The reversal of 18347527965 is 56972574381.

It is not a de Polignac number, because 18347527965 - 2¹ = 18347527963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18347527963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47044749 + ... + 47045138.

It is an arithmetic number, because the mean of its divisors is an integer number (1975887648).

Almost surely, 2^18347527965 is an apocalyptic number.

18347527965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18347527965 is a deficient number, since it is larger than the sum of its proper divisors (13266674403).

18347527965 is a wasteful number, since it uses less digits than its factorization.

18347527965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94089908.

The product of its digits is 12700800, while the sum is 57.

The spelling of 18347527965 in words is "eighteen billion, three hundred forty-seven million, five hundred twenty-seven thousand, nine hundred sixty-five".