47618418193 has 4 divisors (see below), whose sum is σ = 47621953008. Its totient is φ = 47614883380.

The previous prime is 47618418181. The next prime is 47618418247. The reversal of 47618418193 is 39181481674.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47618418193 - 2²¹ = 47616321041 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 47618418193.

It is not an unprimeable number, because it can be changed into a prime (47618418493) 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, 1747123 + ... + 1774168.

It is an arithmetic number, because the mean of its divisors is an integer number (11905488252).

Almost surely, 2^47618418193 is an apocalyptic number.

It is an amenable number.

47618418193 is a deficient number, since it is larger than the sum of its proper divisors (3534815).

47618418193 is a wasteful number, since it uses less digits than its factorization.

47618418193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534814.

The product of its digits is 1161216, while the sum is 52.

The spelling of 47618418193 in words is "forty-seven billion, six hundred eighteen million, four hundred eighteen thousand, one hundred ninety-three".