47237336318261 has 4 divisors (see below), whose sum is σ = 47443612896300. Its totient is φ = 47031059740224.

The previous prime is 47237336318149. The next prime is 47237336318297. The reversal of 47237336318261 is 16281363373274.

47237336318261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36031278791236 + 11206057527025 = 6002606^2 + 3347545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47237336318261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47237336318197 and 47237336318206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47237336318761) 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, 103138288676 + ... + 103138289133.

It is an arithmetic number, because the mean of its divisors is an integer number (11860903224075).

Almost surely, 2^{47237336318261} is an apocalyptic number.

It is an amenable number.

47237336318261 is a deficient number, since it is larger than the sum of its proper divisors (206276578039).

47237336318261 is a wasteful number, since it uses less digits than its factorization.

47237336318261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206276578038.

The product of its digits is 18289152, while the sum is 56.

The spelling of 47237336318261 in words is "forty-seven trillion, two hundred thirty-seven billion, three hundred thirty-six million, three hundred eighteen thousand, two hundred sixty-one".