2990690873 has 2 divisors, whose sum is σ = 2990690874. Its totient is φ = 2990690872.

The previous prime is 2990690867. The next prime is 2990690891. The reversal of 2990690873 is 3780960992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2982579769 + 8111104 = 54613^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990690873 - 2⁶ = 2990690809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2990620873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495345436 + 1495345437.

It is an arithmetic number, because the mean of its divisors is an integer number (1495345437).

Almost surely, 2^2990690873 is an apocalyptic number.

It is an amenable number.

2990690873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990690873 is an equidigital number, since it uses as much as digits as its factorization.

2990690873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 2990690873 is about 54687.2094095137. The cubic root of 2990690873 is about 1440.7562374583.

The spelling of 2990690873 in words is "two billion, nine hundred ninety million, six hundred ninety thousand, eight hundred seventy-three".