49902199 has 2 divisors, whose sum is σ = 49902200. Its totient is φ = 49902198.

The previous prime is 49902121. The next prime is 49902217. The reversal of 49902199 is 99120994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49902199 - 2⁷ = 49902071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49902299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24951099 + 24951100.

It is an arithmetic number, because the mean of its divisors is an integer number (24951100).

Almost surely, 2^49902199 is an apocalyptic number.

49902199 is a deficient number, since it is larger than the sum of its proper divisors (1).

49902199 is an equidigital number, since it uses as much as digits as its factorization.

49902199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 49902199 is about 7064.1488517726. The cubic root of 49902199 is about 368.1627917710.

The spelling of 49902199 in words is "forty-nine million, nine hundred two thousand, one hundred ninety-nine".