9945799693 has 8 divisors (see below), whose sum is σ = 10063828800. Its totient is φ = 9828235200.

The previous prime is 9945799691. The next prime is 9945799711. The reversal of 9945799693 is 3969975499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9945799693 - 2¹ = 9945799691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9945799691) 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, 72993 + ... + 158806.

It is an arithmetic number, because the mean of its divisors is an integer number (1257978600).

Almost surely, 2^9945799693 is an apocalyptic number.

It is an amenable number.

9945799693 is a deficient number, since it is larger than the sum of its proper divisors (118029107).

9945799693 is a wasteful number, since it uses less digits than its factorization.

9945799693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232307.

The product of its digits is 148803480, while the sum is 70.

The square root of 9945799693 is about 99728.6302573138. The cubic root of 9945799693 is about 2150.5352691428.

The spelling of 9945799693 in words is "nine billion, nine hundred forty-five million, seven hundred ninety-nine thousand, six hundred ninety-three".