49821683191 has 8 divisors (see below), whose sum is σ = 57124538240. Its totient is φ = 42565196088.

The previous prime is 49821683189. The next prime is 49821683239. The reversal of 49821683191 is 19138612894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49821683191 - 2¹ = 49821683189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49821683141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11589681 + ... + 11593978.

It is an arithmetic number, because the mean of its divisors is an integer number (7140567280).

Almost surely, 2^49821683191 is an apocalyptic number.

49821683191 is a deficient number, since it is larger than the sum of its proper divisors (7302855049).

49821683191 is a wasteful number, since it uses less digits than its factorization.

49821683191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183973.

The product of its digits is 746496, while the sum is 52.

The spelling of 49821683191 in words is "forty-nine billion, eight hundred twenty-one million, six hundred eighty-three thousand, one hundred ninety-one".