47734645997 has 2 divisors, whose sum is σ = 47734645998. Its totient is φ = 47734645996.

The previous prime is 47734645969. The next prime is 47734646017. The reversal of 47734645997 is 79954643774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43152168361 + 4582477636 = 207731^2 + 67694^2 .

It is a cyclic number.

It is not a de Polignac number, because 47734645997 - 2¹² = 47734641901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47734645927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23867322998 + 23867322999.

It is an arithmetic number, because the mean of its divisors is an integer number (23867322999).

Almost surely, 2^47734645997 is an apocalyptic number.

It is an amenable number.

47734645997 is a deficient number, since it is larger than the sum of its proper divisors (1).

47734645997 is an equidigital number, since it uses as much as digits as its factorization.

47734645997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160030080, while the sum is 65.

The spelling of 47734645997 in words is "forty-seven billion, seven hundred thirty-four million, six hundred forty-five thousand, nine hundred ninety-seven".