2102344213439 has 2 divisors, whose sum is σ = 2102344213440. Its totient is φ = 2102344213438.

The previous prime is 2102344213397. The next prime is 2102344213447. The reversal of 2102344213439 is 9343124432012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102344213439 - 2²⁸ = 2102075777983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102344213469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051172106719 + 1051172106720.

It is an arithmetic number, because the mean of its divisors is an integer number (1051172106720).

Almost surely, 2^{2102344213439} is an apocalyptic number.

2102344213439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102344213439 is an equidigital number, since it uses as much as digits as its factorization.

2102344213439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 2102344213439 in words is "two trillion, one hundred two billion, three hundred forty-four million, two hundred thirteen thousand, four hundred thirty-nine".