49648565199 has 4 divisors (see below), whose sum is σ = 66198086936. Its totient is φ = 33099043464.

The previous prime is 49648565179. The next prime is 49648565209. The reversal of 49648565199 is 99156584694.

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

It is not a de Polignac number, because 49648565199 - 2²³ = 49640176591 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 (49648565119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8274760864 + ... + 8274760869.

It is an arithmetic number, because the mean of its divisors is an integer number (16549521734).

Almost surely, 2^49648565199 is an apocalyptic number.

49648565199 is a deficient number, since it is larger than the sum of its proper divisors (16549521737).

49648565199 is a wasteful number, since it uses less digits than its factorization.

49648565199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16549521736.

The product of its digits is 83980800, while the sum is 66.

The spelling of 49648565199 in words is "forty-nine billion, six hundred forty-eight million, five hundred sixty-five thousand, one hundred ninety-nine".