4003322994421 has 2 divisors, whose sum is σ = 4003322994422. Its totient is φ = 4003322994420.

The previous prime is 4003322994409. The next prime is 4003322994467. The reversal of 4003322994421 is 1244992233004.

4003322994421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3904358643025 + 98964351396 = 1975945^2 + 314586^2 .

It is a cyclic number.

It is not a de Polignac number, because 4003322994421 - 2²⁷ = 4003188776693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4003322694421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001661497210 + 2001661497211.

It is an arithmetic number, because the mean of its divisors is an integer number (2001661497211).

Almost surely, 2^{4003322994421} is an apocalyptic number.

It is an amenable number.

4003322994421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4003322994421 is an equidigital number, since it uses as much as digits as its factorization.

4003322994421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 4003322994421 in words is "four trillion, three billion, three hundred twenty-two million, nine hundred ninety-four thousand, four hundred twenty-one".