49918406199 has 4 divisors (see below), whose sum is σ = 66557874936. Its totient is φ = 33278937464.

The previous prime is 49918406183. The next prime is 49918406249. The reversal of 49918406199 is 99160481994.

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 49918406199 - 2⁴ = 49918406183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49918406999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8319734364 + ... + 8319734369.

It is an arithmetic number, because the mean of its divisors is an integer number (16639468734).

Almost surely, 2^49918406199 is an apocalyptic number.

49918406199 is a deficient number, since it is larger than the sum of its proper divisors (16639468737).

49918406199 is a wasteful number, since it uses less digits than its factorization.

49918406199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16639468736.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The spelling of 49918406199 in words is "forty-nine billion, nine hundred eighteen million, four hundred six thousand, one hundred ninety-nine".