3231400994639 has 2 divisors, whose sum is σ = 3231400994640. Its totient is φ = 3231400994638.

The previous prime is 3231400994623. The next prime is 3231400994651. The reversal of 3231400994639 is 9364990041323.

3231400994639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3231400994639 - 2⁴ = 3231400994623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231400994699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615700497319 + 1615700497320.

It is an arithmetic number, because the mean of its divisors is an integer number (1615700497320).

Almost surely, 2^{3231400994639} is an apocalyptic number.

3231400994639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231400994639 is an equidigital number, since it uses as much as digits as its factorization.

3231400994639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The spelling of 3231400994639 in words is "three trillion, two hundred thirty-one billion, four hundred million, nine hundred ninety-four thousand, six hundred thirty-nine".