3243902662021 has 4 divisors (see below), whose sum is σ = 3707317328032. Its totient is φ = 2780487996012.

The previous prime is 3243902662001. The next prime is 3243902662057. The reversal of 3243902662021 is 1202662093423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3243902662021 - 2³⁷ = 3106463708549 is a prime.

It is a super-3 number, since 3×3243902662021³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243902662001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231707332995 + ... + 231707333008.

It is an arithmetic number, because the mean of its divisors is an integer number (926829332008).

Almost surely, 2^{3243902662021} is an apocalyptic number.

It is an amenable number.

3243902662021 is a deficient number, since it is larger than the sum of its proper divisors (463414666011).

3243902662021 is an equidigital number, since it uses as much as digits as its factorization.

3243902662021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463414666010.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 3243902662021 in words is "three trillion, two hundred forty-three billion, nine hundred two million, six hundred sixty-two thousand, twenty-one".