47550968194 has 4 divisors (see below), whose sum is σ = 71326452294. Its totient is φ = 23775484096.

The previous prime is 47550968191. The next prime is 47550968197. The reversal of 47550968194 is 49186905574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49186905574 = 2 ⋅24593452787.

It is an interprime number because it is at equal distance from previous prime (47550968191) and next prime (47550968197).

It can be written as a sum of positive squares in only one way, i.e., 29010605625 + 18540362569 = 170325^2 + 136163^2 .

It is a super-2 number, since 2×47550968194² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47550968191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887742047 + ... + 11887742050.

Almost surely, 2^47550968194 is an apocalyptic number.

47550968194 is a deficient number, since it is larger than the sum of its proper divisors (23775484100).

47550968194 is a wasteful number, since it uses less digits than its factorization.

47550968194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23775484099.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 47550968194 in words is "forty-seven billion, five hundred fifty million, nine hundred sixty-eight thousand, one hundred ninety-four".