961344169 has 4 divisors (see below), whose sum is σ = 1017893844. Its totient is φ = 904794496.

The previous prime is 961344161. The next prime is 961344187. The reversal of 961344169 is 961443169.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 828748944 + 132595225 = 28788^2 + 11515^2 .

It is a cyclic number.

It is not a de Polignac number, because 961344169 - 2³ = 961344161 is a prime.

It is a super-2 number, since 2×961344169² = 1848365222540601122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961344161) 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, 28274812 + ... + 28274845.

It is an arithmetic number, because the mean of its divisors is an integer number (254473461).

Almost surely, 2^961344169 is an apocalyptic number.

It is an amenable number.

961344169 is a deficient number, since it is larger than the sum of its proper divisors (56549675).

961344169 is a wasteful number, since it uses less digits than its factorization.

961344169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56549674.

The product of its digits is 139968, while the sum is 43.

The square root of 961344169 is about 31005.5506159784. The cubic root of 961344169 is about 986.9450324854.

The spelling of 961344169 in words is "nine hundred sixty-one million, three hundred forty-four thousand, one hundred sixty-nine".