9499138340 has 24 divisors (see below), whose sum is σ = 19950416640. Its totient is φ = 3799231328.

The previous prime is 9499138339. The next prime is 9499138367. The reversal of 9499138340 is 438319949.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207671 + ... + 249249.

It is an arithmetic number, because the mean of its divisors is an integer number (831267360).

Almost surely, 2^9499138340 is an apocalyptic number.

It is an amenable number.

9499138340 is an abundant number, since it is smaller than the sum of its proper divisors (10451278300).

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

9499138340 is a wasteful number, since it uses less digits than its factorization.

9499138340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53011 (or 53009 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 9499138340 is about 97463.5231253211. The cubic root of 9499138340 is about 2117.8477579151.

It can be divided in two parts, 94991 and 38340, that added together give a palindrome (133331).

The spelling of 9499138340 in words is "nine billion, four hundred ninety-nine million, one hundred thirty-eight thousand, three hundred forty".