49894840927 has 4 divisors (see below), whose sum is σ = 49916659936. Its totient is φ = 49873021920.

The previous prime is 49894840909. The next prime is 49894840943. The reversal of 49894840927 is 72904849894.

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 49894840927 - 2⁷ = 49894840799 is a prime.

It is a super-2 number, since 2×49894840927² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49894840987) 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, 10906074 + ... + 10910647.

It is an arithmetic number, because the mean of its divisors is an integer number (12479164984).

Almost surely, 2^49894840927 is an apocalyptic number.

49894840927 is a deficient number, since it is larger than the sum of its proper divisors (21819009).

49894840927 is a wasteful number, since it uses less digits than its factorization.

49894840927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819008.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 49894840927 in words is "forty-nine billion, eight hundred ninety-four million, eight hundred forty thousand, nine hundred twenty-seven".