9627945249 has 16 divisors (see below), whose sum is σ = 14270703104. Its totient is φ = 5733763200.

The previous prime is 9627945233. The next prime is 9627945263. The reversal of 9627945249 is 9425497269.

It is not a de Polignac number, because 9627945249 - 2⁴ = 9627945233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9627945049) 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, 3980572 + ... + 3982989.

It is an arithmetic number, because the mean of its divisors is an integer number (891918944).

Almost surely, 2^9627945249 is an apocalyptic number.

It is an amenable number.

9627945249 is a deficient number, since it is larger than the sum of its proper divisors (4642757855).

9627945249 is a wasteful number, since it uses less digits than its factorization.

9627945249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963608.

The product of its digits is 9797760, while the sum is 57.

The square root of 9627945249 is about 98122.0935824343. The cubic root of 9627945249 is about 2127.3773807208.

The spelling of 9627945249 in words is "nine billion, six hundred twenty-seven million, nine hundred forty-five thousand, two hundred forty-nine".