441789348229618 has 4 divisors (see below), whose sum is σ = 662684022344430. Its totient is φ = 220894674114808.

The previous prime is 441789348229549. The next prime is 441789348229741. The reversal of 441789348229618 is 816922843987144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 434512232331849 + 7277115897769 = 20844957^2 + 2697613^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110447337057403 + ... + 110447337057406.

Almost surely, 2^{441789348229618} is an apocalyptic number.

441789348229618 is a deficient number, since it is larger than the sum of its proper divisors (220894674114812).

441789348229618 is a wasteful number, since it uses less digits than its factorization.

441789348229618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220894674114811.

The product of its digits is 1337720832, while the sum is 76.

The spelling of 441789348229618 in words is "four hundred forty-one trillion, seven hundred eighty-nine billion, three hundred forty-eight million, two hundred twenty-nine thousand, six hundred eighteen".