444214062561 has 4 divisors (see below), whose sum is σ = 592285416752. Its totient is φ = 296142708372.

The previous prime is 444214062533. The next prime is 444214062563. The reversal of 444214062561 is 165260412444.

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 444214062561 - 2⁵ = 444214062529 is a prime.

It is a super-2 number, since 2×444214062561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444214062563) 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, 74035677091 + ... + 74035677096.

It is an arithmetic number, because the mean of its divisors is an integer number (148071354188).

Almost surely, 2^444214062561 is an apocalyptic number.

It is an amenable number.

444214062561 is a deficient number, since it is larger than the sum of its proper divisors (148071354191).

444214062561 is a wasteful number, since it uses less digits than its factorization.

444214062561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148071354190.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 444214062561 in words is "four hundred forty-four billion, two hundred fourteen million, sixty-two thousand, five hundred sixty-one".