9647290628 has 54 divisors (see below), whose sum is σ = 18367555626. Its totient is φ = 4418313984.

The previous prime is 9647290621. The next prime is 9647290669. The reversal of 9647290628 is 8260927469.

It can be written as a sum of positive squares in 3 ways, for example, as 319980544 + 9327310084 = 17888^2 + 96578^2 .

It is a super-2 number, since 2×9647290628² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9647290628.

It is not an unprimeable number, because it can be changed into a prime (9647290621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34827626 + ... + 34827902.

It is an arithmetic number, because the mean of its divisors is an integer number (340139919).

Almost surely, 2^9647290628 is an apocalyptic number.

It is an amenable number.

9647290628 is a deficient number, since it is larger than the sum of its proper divisors (8720264998).

9647290628 is a wasteful number, since it uses less digits than its factorization.

9647290628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 9647290628 is about 98220.6222134639. The cubic root of 9647290628 is about 2128.8012701471.

The spelling of 9647290628 in words is "nine billion, six hundred forty-seven million, two hundred ninety thousand, six hundred twenty-eight".