444375334156163 has 4 divisors (see below), whose sum is σ = 444377674999128. Its totient is φ = 444372993313200.

The previous prime is 444375334156153. The next prime is 444375334156283. The reversal of 444375334156163 is 361651433573444.

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-444375334156163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444375334156153) 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, 1170136706 + ... + 1170516407.

It is an arithmetic number, because the mean of its divisors is an integer number (111094418749782).

Almost surely, 2^{444375334156163} is an apocalyptic number.

444375334156163 is a deficient number, since it is larger than the sum of its proper divisors (2340842965).

444375334156163 is a wasteful number, since it uses less digits than its factorization.

444375334156163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340842964.

The product of its digits is 130636800, while the sum is 59.

The spelling of 444375334156163 in words is "four hundred forty-four trillion, three hundred seventy-five billion, three hundred thirty-four million, one hundred fifty-six thousand, one hundred sixty-three".