47618643794791 has 2 divisors, whose sum is σ = 47618643794792. Its totient is φ = 47618643794790.

The previous prime is 47618643794783. The next prime is 47618643794803. The reversal of 47618643794791 is 19749734681674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47618643794791 - 2³ = 47618643794783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47618643794741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23809321897395 + 23809321897396.

It is an arithmetic number, because the mean of its divisors is an integer number (23809321897396).

Almost surely, 2^{47618643794791} is an apocalyptic number.

47618643794791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47618643794791 is an equidigital number, since it uses as much as digits as its factorization.

47618643794791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536288768, while the sum is 76.

The spelling of 47618643794791 in words is "forty-seven trillion, six hundred eighteen billion, six hundred forty-three million, seven hundred ninety-four thousand, seven hundred ninety-one".