47693984938 has 4 divisors (see below), whose sum is σ = 71540977410. Its totient is φ = 23846992468.

The previous prime is 47693984929. The next prime is 47693984953. The reversal of 47693984938 is 83948939674.

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

It can be written as a sum of positive squares in only one way, i.e., 40910321169 + 6783663769 = 202263^2 + 82363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11923496233 + ... + 11923496236.

Almost surely, 2^47693984938 is an apocalyptic number.

47693984938 is a deficient number, since it is larger than the sum of its proper divisors (23846992472).

47693984938 is a wasteful number, since it uses less digits than its factorization.

47693984938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23846992471.

The product of its digits is 282175488, while the sum is 70.

The spelling of 47693984938 in words is "forty-seven billion, six hundred ninety-three million, nine hundred eighty-four thousand, nine hundred thirty-eight".