18349845858235 has 16 divisors (see below), whose sum is σ = 22039400613600. Its totient is φ = 14666825295360.

The previous prime is 18349845858233. The next prime is 18349845858271. The reversal of 18349845858235 is 53285854894381.

It is not a de Polignac number, because 18349845858235 - 2¹ = 18349845858233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18349845858233) 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, 25734115 + ... + 26437555.

It is an arithmetic number, because the mean of its divisors is an integer number (1377462538350).

Almost surely, 2^{18349845858235} is an apocalyptic number.

18349845858235 is a deficient number, since it is larger than the sum of its proper divisors (3689554755365).

18349845858235 is a wasteful number, since it uses less digits than its factorization.

18349845858235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708078.

The product of its digits is 1327104000, while the sum is 73.

The spelling of 18349845858235 in words is "eighteen trillion, three hundred forty-nine billion, eight hundred forty-five million, eight hundred fifty-eight thousand, two hundred thirty-five".