2890891343 has 2 divisors, whose sum is σ = 2890891344. Its totient is φ = 2890891342.

The previous prime is 2890891337. The next prime is 2890891373. The reversal of 2890891343 is 3431980982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2890891343 - 2⁶ = 2890891279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890891313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445445671 + 1445445672.

It is an arithmetic number, because the mean of its divisors is an integer number (1445445672).

Almost surely, 2^2890891343 is an apocalyptic number.

2890891343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890891343 is an equidigital number, since it uses as much as digits as its factorization.

2890891343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2890891343 is about 53767.0098015502. The cubic root of 2890891343 is about 1424.5485539069.

The spelling of 2890891343 in words is "two billion, eight hundred ninety million, eight hundred ninety-one thousand, three hundred forty-three".