18274420310349 has 32 divisors (see below), whose sum is σ = 27865463132160. Its totient is φ = 10435504830912.

The previous prime is 18274420310323. The next prime is 18274420310383. The reversal of 18274420310349 is 94301302447281.

It is not a de Polignac number, because 18274420310349 - 2²⁵ = 18274386755917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18274420310298 and 18274420310307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18274420310849) 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, 291710572 + ... + 291773210.

It is an arithmetic number, because the mean of its divisors is an integer number (870795722880).

Almost surely, 2^{18274420310349} is an apocalyptic number.

It is an amenable number.

18274420310349 is a deficient number, since it is larger than the sum of its proper divisors (9591042821811).

18274420310349 is a wasteful number, since it uses less digits than its factorization.

18274420310349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71769.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 18274420310349 in words is "eighteen trillion, two hundred seventy-four billion, four hundred twenty million, three hundred ten thousand, three hundred forty-nine".