18036459351 has 16 divisors (see below), whose sum is σ = 26723205120. Its totient is φ = 12023170200.

The previous prime is 18036459313. The next prime is 18036459361. The reversal of 18036459351 is 15395463081.

18036459351 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 6 + 4 + 593 + 51 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-18036459351 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18036459297 and 18036459306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036459361) 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 15 ways as a sum of consecutive naturals, for example, 338346 + ... + 388008.

It is an arithmetic number, because the mean of its divisors is an integer number (1670200320).

Almost surely, 2^18036459351 is an apocalyptic number.

18036459351 is a deficient number, since it is larger than the sum of its proper divisors (8686745769).

18036459351 is a wasteful number, since it uses less digits than its factorization.

18036459351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63123 (or 63117 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 18036459351 in words is "eighteen billion, thirty-six million, four hundred fifty-nine thousand, three hundred fifty-one".