9646144497 has 72 divisors (see below), whose sum is σ = 16095025440. Its totient is φ = 5662526400.

The previous prime is 9646144483. The next prime is 9646144511. The reversal of 9646144497 is 7944416469.

9646144497 is a `hidden beast` number, since 9 + 6 + 4 + 6 + 144 + 497 = 666.

It is an interprime number because it is at equal distance from previous prime (9646144483) and next prime (9646144511).

It is not a de Polignac number, because 9646144497 - 2⁶ = 9646144433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9646144457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69396654 + ... + 69396792.

It is an arithmetic number, because the mean of its divisors is an integer number (223542020).

Almost surely, 2^9646144497 is an apocalyptic number.

It is an amenable number.

9646144497 is a deficient number, since it is larger than the sum of its proper divisors (6448880943).

9646144497 is a wasteful number, since it uses less digits than its factorization.

9646144497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 194 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 9646144497 is about 98214.7875678607. The cubic root of 9646144497 is about 2128.7169638601.

The spelling of 9646144497 in words is "nine billion, six hundred forty-six million, one hundred forty-four thousand, four hundred ninety-seven".