9628953939 has 12 divisors (see below), whose sum is σ = 15172897272. Its totient is φ = 5835729600.

The previous prime is 9628953937. The next prime is 9628953949. The reversal of 9628953939 is 9393598269.

9628953939 is a `hidden beast` number, since 9 + 62 + 8 + 9 + 539 + 39 = 666.

It is not a de Polignac number, because 9628953939 - 2¹ = 9628953937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9628953937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48630982 + ... + 48631179.

It is an arithmetic number, because the mean of its divisors is an integer number (1264408106).

Almost surely, 2^9628953939 is an apocalyptic number.

9628953939 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9628953939 is a deficient number, since it is larger than the sum of its proper divisors (5543943333).

9628953939 is a wasteful number, since it uses less digits than its factorization.

9628953939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97262178 (or 97262175 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 63.

The square root of 9628953939 is about 98127.2334217163. The cubic root of 9628953939 is about 2127.4516710392.

The spelling of 9628953939 in words is "nine billion, six hundred twenty-eight million, nine hundred fifty-three thousand, nine hundred thirty-nine".