47671000261 has 2 divisors, whose sum is σ = 47671000262. Its totient is φ = 47671000260.

The previous prime is 47671000229. The next prime is 47671000297. The reversal of 47671000261 is 16200017674.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46100384100 + 1570616161 = 214710^2 + 39631^2 .

It is a cyclic number.

It is not a de Polignac number, because 47671000261 - 2⁵ = 47671000229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47671009261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23835500130 + 23835500131.

It is an arithmetic number, because the mean of its divisors is an integer number (23835500131).

Almost surely, 2^47671000261 is an apocalyptic number.

It is an amenable number.

47671000261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47671000261 is an equidigital number, since it uses as much as digits as its factorization.

47671000261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 47671000261 in words is "forty-seven billion, six hundred seventy-one million, two hundred sixty-one", and thus it is an aban number.