2031902002049 has 2 divisors, whose sum is σ = 2031902002050. Its totient is φ = 2031902002048.

The previous prime is 2031902002037. The next prime is 2031902002069. The reversal of 2031902002049 is 9402002091302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999305505024 + 32596497025 = 1413968^2 + 180545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031902002049 - 2²⁴ = 2031885224833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031902002069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015951001024 + 1015951001025.

It is an arithmetic number, because the mean of its divisors is an integer number (1015951001025).

Almost surely, 2^{2031902002049} is an apocalyptic number.

It is an amenable number.

2031902002049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031902002049 is an equidigital number, since it uses as much as digits as its factorization.

2031902002049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 2031902002049 in words is "two trillion, thirty-one billion, nine hundred two million, two thousand, forty-nine".