444263961 has 4 divisors (see below), whose sum is σ = 592351952. Its totient is φ = 296175972.

The previous prime is 444263951. The next prime is 444263983. The reversal of 444263961 is 169362444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444263961 - 2¹⁰ = 444262937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444263951) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74043991 + ... + 74043996.

It is an arithmetic number, because the mean of its divisors is an integer number (148087988).

Almost surely, 2^444263961 is an apocalyptic number.

It is an amenable number.

444263961 is a deficient number, since it is larger than the sum of its proper divisors (148087991).

444263961 is a wasteful number, since it uses less digits than its factorization.

444263961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148087990.

The product of its digits is 124416, while the sum is 39.

The square root of 444263961 is about 21077.5700923992. The cubic root of 444263961 is about 763.0395133979.

The spelling of 444263961 in words is "four hundred forty-four million, two hundred sixty-three thousand, nine hundred sixty-one".