49689700658967 has 4 divisors (see below), whose sum is σ = 66252934211960. Its totient is φ = 33126467105976.

The previous prime is 49689700658921. The next prime is 49689700658977. The reversal of 49689700658967 is 76985600798694.

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

It is not a de Polignac number, because 49689700658967 - 2¹¹ = 49689700656919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49689700658967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49689700658977) 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, 8281616776492 + ... + 8281616776497.

It is an arithmetic number, because the mean of its divisors is an integer number (16563233552990).

Almost surely, 2^{49689700658967} is an apocalyptic number.

49689700658967 is a deficient number, since it is larger than the sum of its proper divisors (16563233552993).

49689700658967 is a wasteful number, since it uses less digits than its factorization.

49689700658967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563233552992.

The product of its (nonzero) digits is 9876142080, while the sum is 84.

The spelling of 49689700658967 in words is "forty-nine trillion, six hundred eighty-nine billion, seven hundred million, six hundred fifty-eight thousand, nine hundred sixty-seven".