9640401722 has 16 divisors (see below), whose sum is σ = 16690033152. Its totient is φ = 4090693200.

The previous prime is 9640401721. The next prime is 9640401737. The reversal of 9640401722 is 2271040469.

It is not an unprimeable number, because it can be changed into a prime (9640401721) 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, 3407498 + ... + 3410325.

It is an arithmetic number, because the mean of its divisors is an integer number (1043127072).

Almost surely, 2^9640401722 is an apocalyptic number.

9640401722 is a deficient number, since it is larger than the sum of its proper divisors (7049631430).

9640401722 is a wasteful number, since it uses less digits than its factorization.

9640401722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817933.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 9640401722 is about 98185.5474191594. The cubic root of 9640401722 is about 2128.2944403208.

The spelling of 9640401722 in words is "nine billion, six hundred forty million, four hundred one thousand, seven hundred twenty-two".