9969293945 has 32 divisors (see below), whose sum is σ = 12998512800. Its totient is φ = 7339867392.

The previous prime is 9969293933. The next prime is 9969293947. The reversal of 9969293945 is 5493929699.

It can be written as a sum of positive squares in 16 ways, for example, as 9887518096 + 81775849 = 99436^2 + 9043^2 .

It is not a de Polignac number, because 9969293945 - 2⁶ = 9969293881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is not an unprimeable number, because it can be changed into a prime (9969293947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4271999 + ... + 4274331.

It is an arithmetic number, because the mean of its divisors is an integer number (406203525).

Almost surely, 2^9969293945 is an apocalyptic number.

It is an amenable number.

9969293945 is a deficient number, since it is larger than the sum of its proper divisors (3029218855).

9969293945 is a wasteful number, since it uses less digits than its factorization.

9969293945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2740 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 65.

The square root of 9969293945 is about 99846.3516859780. The cubic root of 9969293945 is about 2152.2272894662.

The spelling of 9969293945 in words is "nine billion, nine hundred sixty-nine million, two hundred ninety-three thousand, nine hundred forty-five".