47306291261 has 2 divisors, whose sum is σ = 47306291262. Its totient is φ = 47306291260.

The previous prime is 47306291189. The next prime is 47306291297. The reversal of 47306291261 is 16219260374.

47306291261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39297115225 + 8009176036 = 198235^2 + 89494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47306291261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47306290261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23653145630 + 23653145631.

It is an arithmetic number, because the mean of its divisors is an integer number (23653145631).

Almost surely, 2^47306291261 is an apocalyptic number.

It is an amenable number.

47306291261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47306291261 is an equidigital number, since it uses as much as digits as its factorization.

47306291261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 47306291261 in words is "forty-seven billion, three hundred six million, two hundred ninety-one thousand, two hundred sixty-one".