4989194851 has 2 divisors, whose sum is σ = 4989194852. Its totient is φ = 4989194850.

The previous prime is 4989194831. The next prime is 4989194879. The reversal of 4989194851 is 1584919894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4989194851 - 2¹⁵ = 4989162083 is a prime.

It is a super-2 number, since 2×4989194851² = 49784130522489824402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4989194831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494597425 + 2494597426.

It is an arithmetic number, because the mean of its divisors is an integer number (2494597426).

Almost surely, 2^4989194851 is an apocalyptic number.

4989194851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989194851 is an equidigital number, since it uses as much as digits as its factorization.

4989194851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 58.

The square root of 4989194851 is about 70634.2328548983. The cubic root of 4989194851 is about 1708.7432886536.

The spelling of 4989194851 in words is "four billion, nine hundred eighty-nine million, one hundred ninety-four thousand, eight hundred fifty-one".