49913939566 has 8 divisors (see below), whose sum is σ = 75066395904. Its totient is φ = 24891807600.

The previous prime is 49913939539. The next prime is 49913939597. The reversal of 49913939566 is 66593931994.

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

It is a junction number, because it is equal to n+sod(n) for n = 49913939498 and 49913939507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32580135 + ... + 32581666.

It is an arithmetic number, because the mean of its divisors is an integer number (9383299488).

Almost surely, 2^49913939566 is an apocalyptic number.

49913939566 is a deficient number, since it is larger than the sum of its proper divisors (25152456338).

49913939566 is a wasteful number, since it uses less digits than its factorization.

49913939566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65162186.

The product of its digits is 42515280, while the sum is 64.

The spelling of 49913939566 in words is "forty-nine billion, nine hundred thirteen million, nine hundred thirty-nine thousand, five hundred sixty-six".