4749966399 has 16 divisors (see below), whose sum is σ = 6491901024. Its totient is φ = 3089274560.

The previous prime is 4749966359. The next prime is 4749966421. The reversal of 4749966399 is 9936699474.

It is a Cunningham number, because it is equal to 68920²-1.

It is not a de Polignac number, because 4749966399 - 2⁷ = 4749966271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4749966329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195277 + ... + 218249.

It is an arithmetic number, because the mean of its divisors is an integer number (405743814).

Almost surely, 2^4749966399 is an apocalyptic number.

4749966399 is a deficient number, since it is larger than the sum of its proper divisors (1741934625).

4749966399 is an frugal number, since it uses more digits than its factorization.

4749966399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23099 (or 23017 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 66.

The square root of 4749966399 is about 68919.9999927452. Note that the first 5 decimals coincide. The cubic root of 4749966399 is about 1680.9837396801.

The spelling of 4749966399 in words is "four billion, seven hundred forty-nine million, nine hundred sixty-six thousand, three hundred ninety-nine".