9706145247 has 16 divisors (see below), whose sum is σ = 14552724480. Its totient is φ = 6392801016.

The previous prime is 9706145177. The next prime is 9706145249. The reversal of 9706145247 is 7425416079.

9706145247 is a `hidden beast` number, since 9 + 7 + 0 + 614 + 5 + 24 + 7 = 666.

It is not a de Polignac number, because 9706145247 - 2¹⁹ = 9705620959 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9706145249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163343 + ... + 2167824.

It is an arithmetic number, because the mean of its divisors is an integer number (909545280).

Almost surely, 2^9706145247 is an apocalyptic number.

9706145247 is a deficient number, since it is larger than the sum of its proper divisors (4846579233).

9706145247 is a wasteful number, since it uses less digits than its factorization.

9706145247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331259 (or 4331253 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 9706145247 is about 98519.7708432170. The cubic root of 9706145247 is about 2133.1215112738.

The spelling of 9706145247 in words is "nine billion, seven hundred six million, one hundred forty-five thousand, two hundred forty-seven".