368453444354863 has 4 divisors (see below), whose sum is σ = 421089650691280. Its totient is φ = 315817238018448.

The previous prime is 368453444354839. The next prime is 368453444354903.

368453444354863 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368453444354863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 368453444354792 and 368453444354801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368453444354813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26318103168198 + ... + 26318103168211.

It is an arithmetic number, because the mean of its divisors is an integer number (105272412672820).

Almost surely, 2^{368453444354863} is an apocalyptic number.

368453444354863 is a deficient number, since it is larger than the sum of its proper divisors (52636206336417).

368453444354863 is an equidigital number, since it uses as much as digits as its factorization.

368453444354863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52636206336416.

The product of its digits is 4777574400, while the sum is 70.

The spelling of 368453444354863 in words is "three hundred sixty-eight trillion, four hundred fifty-three billion, four hundred forty-four million, three hundred fifty-four thousand, eight hundred sixty-three".