9947045707 has 2 divisors, whose sum is σ = 9947045708. Its totient is φ = 9947045706.

The previous prime is 9947045687. The next prime is 9947045741. The reversal of 9947045707 is 7075407499.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9947045707 is a prime.

It is not a weakly prime, because it can be changed into another prime (9947045107) 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, 4973522853 + 4973522854.

It is an arithmetic number, because the mean of its divisors is an integer number (4973522854).

Almost surely, 2^9947045707 is an apocalyptic number.

9947045707 is a deficient number, since it is larger than the sum of its proper divisors (1).

9947045707 is an equidigital number, since it uses as much as digits as its factorization.

9947045707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 9947045707 is about 99734.8770841976. The cubic root of 9947045707 is about 2150.6250720493.

The spelling of 9947045707 in words is "nine billion, nine hundred forty-seven million, forty-five thousand, seven hundred seven".