18363050459 has 8 divisors (see below), whose sum is σ = 19776960000. Its totient is φ = 16949336256.

The previous prime is 18363050399. The next prime is 18363050507. The reversal of 18363050459 is 95405036381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18363050459 - 2⁸ = 18363050203 is a prime.

It is a super-2 number, since 2×18363050459² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18363050159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189542 + ... + 269540.

It is an arithmetic number, because the mean of its divisors is an integer number (2472120000).

Almost surely, 2^18363050459 is an apocalyptic number.

18363050459 is a deficient number, since it is larger than the sum of its proper divisors (1413909541).

18363050459 is a wasteful number, since it uses less digits than its factorization.

18363050459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97669.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 18363050459 in words is "eighteen billion, three hundred sixty-three million, fifty thousand, four hundred fifty-nine".