2031902002069 has 2 divisors, whose sum is σ = 2031902002070. Its totient is φ = 2031902002068.

The previous prime is 2031902002049. The next prime is 2031902002129. The reversal of 2031902002069 is 9602002091302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1834028273169 + 197873728900 = 1354263^2 + 444830^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031902002069 - 2⁵ = 2031902002037 is a prime.

It is a super-2 number, since 2×2031902002069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031902002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015951001034 + 1015951001035.

It is an arithmetic number, because the mean of its divisors is an integer number (1015951001035).

Almost surely, 2^{2031902002069} is an apocalyptic number.

It is an amenable number.

2031902002069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031902002069 is an equidigital number, since it uses as much as digits as its factorization.

2031902002069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 2031902002069 in words is "two trillion, thirty-one billion, nine hundred two million, two thousand, sixty-nine".