2102992431593 has 2 divisors, whose sum is σ = 2102992431594. Its totient is φ = 2102992431592.

The previous prime is 2102992431583. The next prime is 2102992431637. The reversal of 2102992431593 is 3951342992012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2062750867984 + 40241563609 = 1436228^2 + 200603^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102992431593 - 2⁴⁰ = 1003480803817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102992431583) 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 as a sum of consecutive naturals, namely, 1051496215796 + 1051496215797.

It is an arithmetic number, because the mean of its divisors is an integer number (1051496215797).

Almost surely, 2^{2102992431593} is an apocalyptic number.

It is an amenable number.

2102992431593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102992431593 is an equidigital number, since it uses as much as digits as its factorization.

2102992431593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 2102992431593 in words is "two trillion, one hundred two billion, nine hundred ninety-two million, four hundred thirty-one thousand, five hundred ninety-three".