47046510661 has 2 divisors, whose sum is σ = 47046510662. Its totient is φ = 47046510660.

The previous prime is 47046510541. The next prime is 47046510671. The reversal of 47046510661 is 16601564074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37294948161 + 9751562500 = 193119^2 + 98750^2 .

It is a cyclic number.

It is not a de Polignac number, because 47046510661 - 2³¹ = 44899027013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47046510671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23523255330 + 23523255331.

It is an arithmetic number, because the mean of its divisors is an integer number (23523255331).

Almost surely, 2^47046510661 is an apocalyptic number.

It is an amenable number.

47046510661 is a deficient number, since it is larger than the sum of its proper divisors (1).

47046510661 is an equidigital number, since it uses as much as digits as its factorization.

47046510661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 47046510661 in words is "forty-seven billion, forty-six million, five hundred ten thousand, six hundred sixty-one".