47354324161 has 4 divisors (see below), whose sum is σ = 47368300500. Its totient is φ = 47340347824.

The previous prime is 47354324159. The next prime is 47354324189. The reversal of 47354324161 is 16142345374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16142345374 = 2 ⋅8071172687.

It can be written as a sum of positive squares in 2 ways, for example, as 45324281025 + 2030043136 = 212895^2 + 45056^2 .

It is a cyclic number.

It is not a de Polignac number, because 47354324161 - 2¹ = 47354324159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47354324261) 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, 6983086 + ... + 6989863.

It is an arithmetic number, because the mean of its divisors is an integer number (11842075125).

Almost surely, 2^47354324161 is an apocalyptic number.

It is an amenable number.

47354324161 is a deficient number, since it is larger than the sum of its proper divisors (13976339).

47354324161 is a wasteful number, since it uses less digits than its factorization.

47354324161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13976338.

The product of its digits is 241920, while the sum is 40.

The spelling of 47354324161 in words is "forty-seven billion, three hundred fifty-four million, three hundred twenty-four thousand, one hundred sixty-one".