4994409869 has 2 divisors, whose sum is σ = 4994409870. Its totient is φ = 4994409868.

The previous prime is 4994409857. The next prime is 4994409883. The reversal of 4994409869 is 9689044994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4769559844 + 224850025 = 69062^2 + 14995^2 .

It is a cyclic number.

It is not a de Polignac number, because 4994409869 - 2⁸ = 4994409613 is a prime.

It is a super-2 number, since 2×4994409869² = 49888259879129194322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4994409809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497204934 + 2497204935.

It is an arithmetic number, because the mean of its divisors is an integer number (2497204935).

Almost surely, 2^4994409869 is an apocalyptic number.

It is an amenable number.

4994409869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994409869 is an equidigital number, since it uses as much as digits as its factorization.

4994409869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The square root of 4994409869 is about 70671.1388687065. The cubic root of 4994409869 is about 1709.3384430658.

The spelling of 4994409869 in words is "four billion, nine hundred ninety-four million, four hundred nine thousand, eight hundred sixty-nine".