4464425564021 has 8 divisors (see below), whose sum is σ = 4514718432600. Its totient is φ = 4414135601920.

The previous prime is 4464425564009. The next prime is 4464425564059. The reversal of 4464425564021 is 1204655244644.

It can be written as a sum of positive squares in 4 ways, for example, as 632638888996 + 3831786675025 = 795386^2 + 1957495^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4464425564021 - 2⁶ = 4464425563957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4464425534021) 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, 2440025 + ... + 3857793.

It is an arithmetic number, because the mean of its divisors is an integer number (564339804075).

Almost surely, 2^{4464425564021} is an apocalyptic number.

It is an amenable number.

4464425564021 is a deficient number, since it is larger than the sum of its proper divisors (50292868579).

4464425564021 is a wasteful number, since it uses less digits than its factorization.

4464425564021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453239.

The product of its (nonzero) digits is 3686400, while the sum is 47.

The spelling of 4464425564021 in words is "four trillion, four hundred sixty-four billion, four hundred twenty-five million, five hundred sixty-four thousand, twenty-one".