1999990202059 has 2 divisors, whose sum is σ = 1999990202060. Its totient is φ = 1999990202058.

The previous prime is 1999990202011. The next prime is 1999990202113. The reversal of 1999990202059 is 9502020999991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1999990202059 - 2⁷ = 1999990201931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1999990202359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999995101029 + 999995101030.

It is an arithmetic number, because the mean of its divisors is an integer number (999995101030).

Almost surely, 2^{1999990202059} is an apocalyptic number.

1999990202059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1999990202059 is an equidigital number, since it uses as much as digits as its factorization.

1999990202059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10628820, while the sum is 64.

The spelling of 1999990202059 in words is "one trillion, nine hundred ninety-nine billion, nine hundred ninety million, two hundred two thousand, fifty-nine".