8953605438 has 24 divisors (see below), whose sum is σ = 18027116808. Its totient is φ = 2964563472.

The previous prime is 8953605361. The next prime is 8953605491. The reversal of 8953605438 is 8345063598.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2902645 + ... + 2905727.

It is an arithmetic number, because the mean of its divisors is an integer number (751129867).

Almost surely, 2^8953605438 is an apocalyptic number.

8953605438 is an abundant number, since it is smaller than the sum of its proper divisors (9073511370).

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

8953605438 is an equidigital number, since it uses as much as digits as its factorization.

8953605438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 8953605438 is about 94623.4930553718. The cubic root of 8953605438 is about 2076.5034200926.

The spelling of 8953605438 in words is "eight billion, nine hundred fifty-three million, six hundred five thousand, four hundred thirty-eight".