969163901 has 4 divisors (see below), whose sum is σ = 969232572. Its totient is φ = 969095232.

The previous prime is 969163891. The next prime is 969163927. The reversal of 969163901 is 109361969.

It is a happy number.

969163901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 109361969 = 17 ⋅6433057.

It can be written as a sum of positive squares in 2 ways, for example, as 258888100 + 710275801 = 16090^2 + 26651^2 .

It is a cyclic number.

It is not a de Polignac number, because 969163901 - 2²² = 964969597 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 (969163981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4556 + ... + 44261.

It is an arithmetic number, because the mean of its divisors is an integer number (242308143).

Almost surely, 2^969163901 is an apocalyptic number.

It is an amenable number.

969163901 is a deficient number, since it is larger than the sum of its proper divisors (68671).

969163901 is a wasteful number, since it uses less digits than its factorization.

969163901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68670.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 969163901 is about 31131.3973505848. The cubic root of 969163901 is about 989.6138006606.

The spelling of 969163901 in words is "nine hundred sixty-nine million, one hundred sixty-three thousand, nine hundred one".