444374601632421 has 8 divisors (see below), whose sum is σ = 597742826975040. Its totient is φ = 293628055355712.

The previous prime is 444374601632411. The next prime is 444374601632443. The reversal of 444374601632421 is 124236106473444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444374601632421 - 2⁵ = 444374601632389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444374601632411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655419766081 + ... + 655419766758.

It is an arithmetic number, because the mean of its divisors is an integer number (74717853371880).

Almost surely, 2^{444374601632421} is an apocalyptic number.

It is an amenable number.

444374601632421 is a deficient number, since it is larger than the sum of its proper divisors (153368225342619).

444374601632421 is a wasteful number, since it uses less digits than its factorization.

444374601632421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310839532955.

The product of its (nonzero) digits is 9289728, while the sum is 51.

The spelling of 444374601632421 in words is "four hundred forty-four trillion, three hundred seventy-four billion, six hundred one million, six hundred thirty-two thousand, four hundred twenty-one".