3894298549 has 2 divisors, whose sum is σ = 3894298550. Its totient is φ = 3894298548.

The previous prime is 3894298517. The next prime is 3894298591. The reversal of 3894298549 is 9458924983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3793697649 + 100600900 = 61593^2 + 10030^2 .

It is a cyclic number.

It is not a de Polignac number, because 3894298549 - 2⁵ = 3894298517 is a prime.

It is a super-2 number, since 2×3894298549² = 30331122377487010802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3894238549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947149274 + 1947149275.

It is an arithmetic number, because the mean of its divisors is an integer number (1947149275).

Almost surely, 2^3894298549 is an apocalyptic number.

It is an amenable number.

3894298549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894298549 is an equidigital number, since it uses as much as digits as its factorization.

3894298549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 61.

The square root of 3894298549 is about 62404.3151472717. The cubic root of 3894298549 is about 1573.2934971430.

The spelling of 3894298549 in words is "three billion, eight hundred ninety-four million, two hundred ninety-eight thousand, five hundred forty-nine".