18295474365 has 24 divisors (see below), whose sum is σ = 36242464128. Its totient is φ = 8363645280.

The previous prime is 18295474333. The next prime is 18295474369. The reversal of 18295474365 is 56347459281.

It is a happy number.

18295474365 is a `hidden beast` number, since 1 + 82 + 95 + 47 + 436 + 5 = 666.

It is not a de Polignac number, because 18295474365 - 2⁵ = 18295474333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18295474369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29040121 + ... + 29040750.

It is an arithmetic number, because the mean of its divisors is an integer number (1510102672).

Almost surely, 2^18295474365 is an apocalyptic number.

18295474365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18295474365 is a deficient number, since it is larger than the sum of its proper divisors (17946989763).

18295474365 is a wasteful number, since it uses less digits than its factorization.

18295474365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58080889 (or 58080886 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 18295474365 in words is "eighteen billion, two hundred ninety-five million, four hundred seventy-four thousand, three hundred sixty-five".