4998905749 has 2 divisors, whose sum is σ = 4998905750. Its totient is φ = 4998905748.

The previous prime is 4998905741. The next prime is 4998905773. The reversal of 4998905749 is 9475098994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4025902500 + 973003249 = 63450^2 + 31193^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998905749 - 2³ = 4998905741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4998905741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499452874 + 2499452875.

It is an arithmetic number, because the mean of its divisors is an integer number (2499452875).

Almost surely, 2^4998905749 is an apocalyptic number.

It is an amenable number.

4998905749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998905749 is an equidigital number, since it uses as much as digits as its factorization.

4998905749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The square root of 4998905749 is about 70702.9401722446. The cubic root of 4998905749 is about 1709.8511947163.

The spelling of 4998905749 in words is "four billion, nine hundred ninety-eight million, nine hundred five thousand, seven hundred forty-nine".