2890273121 has 2 divisors, whose sum is σ = 2890273122. Its totient is φ = 2890273120.

The previous prime is 2890273117. The next prime is 2890273129. The reversal of 2890273121 is 1213720982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274240721 + 616032400 = 47689^2 + 24820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890273121 - 2² = 2890273117 is a prime.

It is not a weakly prime, because it can be changed into another prime (2890273129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445136560 + 1445136561.

It is an arithmetic number, because the mean of its divisors is an integer number (1445136561).

Almost surely, 2^2890273121 is an apocalyptic number.

It is an amenable number.

2890273121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890273121 is an equidigital number, since it uses as much as digits as its factorization.

2890273121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2890273121 is about 53761.2604111920. The cubic root of 2890273121 is about 1424.4469992953.

The spelling of 2890273121 in words is "two billion, eight hundred ninety million, two hundred seventy-three thousand, one hundred twenty-one".