4002595221021 has 8 divisors (see below), whose sum is σ = 5359123309440. Its totient is φ = 2657231973312.

The previous prime is 4002595220977. The next prime is 4002595221059. The reversal of 4002595221021 is 1201225952004.

4002595221021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4002595221021 - 2⁷ = 4002595220893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002595221421) 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, 2791209340 + ... + 2791210773.

It is an arithmetic number, because the mean of its divisors is an integer number (669890413680).

Almost surely, 2^{4002595221021} is an apocalyptic number.

It is an amenable number.

4002595221021 is a deficient number, since it is larger than the sum of its proper divisors (1356528088419).

4002595221021 is a wasteful number, since it uses less digits than its factorization.

4002595221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582420355.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 4002595221021 in words is "four trillion, two billion, five hundred ninety-five million, two hundred twenty-one thousand, twenty-one".