2890784871049 has 2 divisors, whose sum is σ = 2890784871050. Its totient is φ = 2890784871048.

The previous prime is 2890784870947. The next prime is 2890784871053. The reversal of 2890784871049 is 9401784870982.

2890784871049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2890289007225 + 495863824 = 1700085^2 + 22268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890784871049 - 2¹¹ = 2890784869001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2890784871349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445392435524 + 1445392435525.

It is an arithmetic number, because the mean of its divisors is an integer number (1445392435525).

Almost surely, 2^{2890784871049} is an apocalyptic number.

It is an amenable number.

2890784871049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890784871049 is an equidigital number, since it uses as much as digits as its factorization.

2890784871049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65028096, while the sum is 67.

Subtracting from 2890784871049 its sum of digits (67), we obtain a palindrome (2890784870982).

The spelling of 2890784871049 in words is "two trillion, eight hundred ninety billion, seven hundred eighty-four million, eight hundred seventy-one thousand, forty-nine".