18441049641475 has 12 divisors (see below), whose sum is σ = 22939036901424. Its totient is φ = 14706300780320.

The previous prime is 18441049641457. The next prime is 18441049641481. The reversal of 18441049641475 is 57414694014481.

It is a happy number.

It is not a de Polignac number, because 18441049641475 - 2¹¹ = 18441049639427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1163465239 + ... + 1163481088.

It is an arithmetic number, because the mean of its divisors is an integer number (1911586408452).

Almost surely, 2^{18441049641475} is an apocalyptic number.

18441049641475 is a deficient number, since it is larger than the sum of its proper divisors (4497987259949).

18441049641475 is a wasteful number, since it uses less digits than its factorization.

18441049641475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326946654 (or 2326946649 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 18441049641475 in words is "eighteen trillion, four hundred forty-one billion, forty-nine million, six hundred forty-one thousand, four hundred seventy-five".