9646140738 has 16 divisors (see below), whose sum is σ = 20776303296. Its totient is φ = 2968043280.

The previous prime is 9646140719. The next prime is 9646140769. The reversal of 9646140738 is 8370416469.

It is a super-2 number, since 2×9646140738² (a number of 21 digits) contains 22 as substring.

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, 61834158 + ... + 61834313.

It is an arithmetic number, because the mean of its divisors is an integer number (1298518956).

Almost surely, 2^9646140738 is an apocalyptic number.

9646140738 is an abundant number, since it is smaller than the sum of its proper divisors (11130162558).

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

9646140738 is a wasteful number, since it uses less digits than its factorization.

9646140738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123668489.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 9646140738 is about 98214.7684312293. The cubic root of 9646140738 is about 2128.7166873473.

The spelling of 9646140738 in words is "nine billion, six hundred forty-six million, one hundred forty thousand, seven hundred thirty-eight".