49135199 has 4 divisors (see below), whose sum is σ = 51271536. Its totient is φ = 46998864.

The previous prime is 49135181. The next prime is 49135211. The reversal of 49135199 is 99153194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49135199 - 2¹⁶ = 49069663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49135109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068134 + ... + 1068179.

It is an arithmetic number, because the mean of its divisors is an integer number (12817884).

Almost surely, 2^49135199 is an apocalyptic number.

49135199 is a deficient number, since it is larger than the sum of its proper divisors (2136337).

49135199 is a wasteful number, since it uses less digits than its factorization.

49135199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136336.

The product of its digits is 43740, while the sum is 41.

The square root of 49135199 is about 7009.6504192435. The cubic root of 49135199 is about 366.2668160031.

The spelling of 49135199 in words is "forty-nine million, one hundred thirty-five thousand, one hundred ninety-nine".