3285640043999 has 2 divisors, whose sum is σ = 3285640044000. Its totient is φ = 3285640043998.

The previous prime is 3285640043963. The next prime is 3285640044007. The reversal of 3285640043999 is 9993400465823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3285640043999 - 2²⁸ = 3285371608543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285640043909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642820021999 + 1642820022000.

It is an arithmetic number, because the mean of its divisors is an integer number (1642820022000).

Almost surely, 2^{3285640043999} is an apocalyptic number.

3285640043999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285640043999 is an equidigital number, since it uses as much as digits as its factorization.

3285640043999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 62.

The spelling of 3285640043999 in words is "three trillion, two hundred eighty-five billion, six hundred forty million, forty-three thousand, nine hundred ninety-nine".