4890664349 has 2 divisors, whose sum is σ = 4890664350. Its totient is φ = 4890664348.

The previous prime is 4890664283. The next prime is 4890664357. The reversal of 4890664349 is 9434660984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4792792900 + 97871449 = 69230^2 + 9893^2 .

It is a cyclic number.

It is not a de Polignac number, because 4890664349 - 2²⁴ = 4873887133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4890664349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4890664549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445332174 + 2445332175.

It is an arithmetic number, because the mean of its divisors is an integer number (2445332175).

Almost surely, 2^4890664349 is an apocalyptic number.

It is an amenable number.

4890664349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4890664349 is an equidigital number, since it uses as much as digits as its factorization.

4890664349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The square root of 4890664349 is about 69933.2849864784. The cubic root of 4890664349 is about 1697.4198864530.

The spelling of 4890664349 in words is "four billion, eight hundred ninety million, six hundred sixty-four thousand, three hundred forty-nine".