47743998017 has 4 divisors (see below), whose sum is σ = 47791886676. Its totient is φ = 47696109360.

The previous prime is 47743998013. The next prime is 47743998031. The reversal of 47743998017 is 71089934774.

It is a Cunningham number, because it is equal to 218504²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71089934774 = 2 ⋅35544967387.

It can be written as a sum of positive squares in 2 ways, for example, as 41097020176 + 6646977841 = 202724^2 + 81529^2 .

It is a cyclic number.

It is not a de Polignac number, because 47743998017 - 2² = 47743998013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47743998013) 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, 23942834 + ... + 23944827.

It is an arithmetic number, because the mean of its divisors is an integer number (11947971669).

Almost surely, 2^47743998017 is an apocalyptic number.

It is an amenable number.

47743998017 is a deficient number, since it is larger than the sum of its proper divisors (47888659).

47743998017 is an equidigital number, since it uses as much as digits as its factorization.

47743998017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47888658.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 47743998017 in words is "forty-seven billion, seven hundred forty-three million, nine hundred ninety-eight thousand, seventeen".