3521245004421 has 16 divisors (see below), whose sum is σ = 4777113672000. Its totient is φ = 2306478906368.

The previous prime is 3521245004413. The next prime is 3521245004429. The reversal of 3521245004421 is 1244005421253.

3521245004421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3521245004413) and next prime (3521245004429).

It is a cyclic number.

It is not a de Polignac number, because 3521245004421 - 2³ = 3521245004413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521245004429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4967196 + ... + 5631653.

It is an arithmetic number, because the mean of its divisors is an integer number (298569604500).

Almost surely, 2^{3521245004421} is an apocalyptic number.

It is an amenable number.

3521245004421 is a deficient number, since it is larger than the sum of its proper divisors (1255868667579).

3521245004421 is a wasteful number, since it uses less digits than its factorization.

3521245004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600788.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 3521245004421 in words is "three trillion, five hundred twenty-one billion, two hundred forty-five million, four thousand, four hundred twenty-one".