47242221337 has 4 divisors (see below), whose sum is σ = 47247192756. Its totient is φ = 47237249920.

The previous prime is 47242221307. The next prime is 47242221359. The reversal of 47242221337 is 73312224274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73312224274 = 2 ⋅36656112137.

It can be written as a sum of positive squares in 2 ways, for example, as 17624155536 + 29618065801 = 132756^2 + 172099^2 .

It is a cyclic number.

It is not a de Polignac number, because 47242221337 - 2¹⁵ = 47242188569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47242221296 and 47242221305.

It is not an unprimeable number, because it can be changed into a prime (47242221307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2471428 + ... + 2490469.

It is an arithmetic number, because the mean of its divisors is an integer number (11811798189).

Almost surely, 2^47242221337 is an apocalyptic number.

It is an amenable number.

47242221337 is a deficient number, since it is larger than the sum of its proper divisors (4971419).

47242221337 is an equidigital number, since it uses as much as digits as its factorization.

47242221337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971418.

The product of its digits is 112896, while the sum is 37.

The spelling of 47242221337 in words is "forty-seven billion, two hundred forty-two million, two hundred twenty-one thousand, three hundred thirty-seven".