47354314817 has 4 divisors (see below), whose sum is σ = 47886385860. Its totient is φ = 46822243776.

The previous prime is 47354314769. The next prime is 47354314831. The reversal of 47354314817 is 71841345374.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5999431936 + 41354882881 = 77456^2 + 203359^2 .

It is a cyclic number.

It is not a de Polignac number, because 47354314817 - 2⁸ = 47354314561 is a prime.

It is a super-2 number, since 2×47354314817² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47354314877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266035388 + ... + 266035565.

It is an arithmetic number, because the mean of its divisors is an integer number (11971596465).

Almost surely, 2^47354314817 is an apocalyptic number.

It is an amenable number.

47354314817 is a deficient number, since it is larger than the sum of its proper divisors (532071043).

47354314817 is an equidigital number, since it uses as much as digits as its factorization.

47354314817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532071042.

The product of its digits is 1128960, while the sum is 47.

The spelling of 47354314817 in words is "forty-seven billion, three hundred fifty-four million, three hundred fourteen thousand, eight hundred seventeen".