9625738818 has 16 divisors (see below), whose sum is σ = 19252439136. Its totient is φ = 3208419360.

The previous prime is 9625738753. The next prime is 9625738819. The reversal of 9625738818 is 8188375269.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9625738819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215005 + ... + 255887.

It is an arithmetic number, because the mean of its divisors is an integer number (1203277446).

Almost surely, 2^9625738818 is an apocalyptic number.

9625738818 is an abundant number, since it is smaller than the sum of its proper divisors (9626700318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9625738818 is a wasteful number, since it uses less digits than its factorization.

9625738818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80129.

The product of its digits is 5806080, while the sum is 57.

The square root of 9625738818 is about 98110.8496446749. The cubic root of 9625738818 is about 2127.2148583309.

The spelling of 9625738818 in words is "nine billion, six hundred twenty-five million, seven hundred thirty-eight thousand, eight hundred eighteen".