968174909 has 4 divisors (see below), whose sum is σ = 1042649916. Its totient is φ = 893699904.

The previous prime is 968174897. The next prime is 968174929. The reversal of 968174909 is 909471869.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 909471869 = 67 ⋅13574207.

It can be written as a sum of positive squares in 2 ways, for example, as 139310809 + 828864100 = 11803^2 + 28790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968174909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968174929) 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, 37237484 + ... + 37237509.

It is an arithmetic number, because the mean of its divisors is an integer number (260662479).

Almost surely, 2^968174909 is an apocalyptic number.

It is an amenable number.

968174909 is a deficient number, since it is larger than the sum of its proper divisors (74475007).

968174909 is a wasteful number, since it uses less digits than its factorization.

968174909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74475006.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 968174909 is about 31115.5091393344. The cubic root of 968174909 is about 989.2770659988.

The spelling of 968174909 in words is "nine hundred sixty-eight million, one hundred seventy-four thousand, nine hundred nine".