9644536396 has 24 divisors (see below), whose sum is σ = 18472297536. Its totient is φ = 4369594320.

The previous prime is 9644536367. The next prime is 9644536399. The reversal of 9644536396 is 6936354469.

It is not an unprimeable number, because it can be changed into a prime (9644536399) 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, 343486 + ... + 370501.

It is an arithmetic number, because the mean of its divisors is an integer number (769679064).

Almost surely, 2^9644536396 is an apocalyptic number.

It is an amenable number.

9644536396 is a deficient number, since it is larger than the sum of its proper divisors (8827761140).

9644536396 is a wasteful number, since it uses less digits than its factorization.

9644536396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714309 (or 714307 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 55.

The square root of 9644536396 is about 98206.6005724666. The cubic root of 9644536396 is about 2128.5986650544.

The spelling of 9644536396 in words is "nine billion, six hundred forty-four million, five hundred thirty-six thousand, three hundred ninety-six".