2890021679 has 2 divisors, whose sum is σ = 2890021680. Its totient is φ = 2890021678.

The previous prime is 2890021663. The next prime is 2890021741. The reversal of 2890021679 is 9761200982.

It is a happy number.

2890021679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2890021679 - 2⁴ = 2890021663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890021609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445010839 + 1445010840.

It is an arithmetic number, because the mean of its divisors is an integer number (1445010840).

Almost surely, 2^2890021679 is an apocalyptic number.

2890021679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890021679 is an equidigital number, since it uses as much as digits as its factorization.

2890021679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 2890021679 is about 53758.9218548884. The cubic root of 2890021679 is about 1424.4056910666.

The spelling of 2890021679 in words is "two billion, eight hundred ninety million, twenty-one thousand, six hundred seventy-nine".