2042242442399 has 2 divisors, whose sum is σ = 2042242442400. Its totient is φ = 2042242442398.

The previous prime is 2042242442369. The next prime is 2042242442509. The reversal of 2042242442399 is 9932442422402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042242442399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042242442369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021121221199 + 1021121221200.

It is an arithmetic number, because the mean of its divisors is an integer number (1021121221200).

Almost surely, 2^{2042242442399} is an apocalyptic number.

2042242442399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042242442399 is an equidigital number, since it uses as much as digits as its factorization.

2042242442399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 2042242442399 in words is "two trillion, forty-two billion, two hundred forty-two million, four hundred forty-two thousand, three hundred ninety-nine".