47749199 has 2 divisors, whose sum is σ = 47749200. Its totient is φ = 47749198.

The previous prime is 47749187. The next prime is 47749241. The reversal of 47749199 is 99194774.

47749199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47749199 - 2⁴ = 47749183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47749159) 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, 23874599 + 23874600.

It is an arithmetic number, because the mean of its divisors is an integer number (23874600).

Almost surely, 2^47749199 is an apocalyptic number.

47749199 is a deficient number, since it is larger than the sum of its proper divisors (1).

47749199 is an equidigital number, since it uses as much as digits as its factorization.

47749199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 50.

The square root of 47749199 is about 6910.0795219737. The cubic root of 47749199 is about 362.7900467377.

The spelling of 47749199 in words is "forty-seven million, seven hundred forty-nine thousand, one hundred ninety-nine".