18252745395 has 32 divisors (see below), whose sum is σ = 29846154240. Its totient is φ = 9521160960.

The previous prime is 18252745387. The next prime is 18252745397. The reversal of 18252745395 is 59354725281.

It is not a de Polignac number, because 18252745395 - 2³ = 18252745387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18252745397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126300 + ... + 1142390.

It is an arithmetic number, because the mean of its divisors is an integer number (932692320).

Almost surely, 2^18252745395 is an apocalyptic number.

18252745395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18252745395 is a deficient number, since it is larger than the sum of its proper divisors (11593408845).

18252745395 is a wasteful number, since it uses less digits than its factorization.

18252745395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17755.

The product of its digits is 3024000, while the sum is 51.

The spelling of 18252745395 in words is "eighteen billion, two hundred fifty-two million, seven hundred forty-five thousand, three hundred ninety-five".