671369353 has 4 divisors (see below), whose sum is σ = 671452740. Its totient is φ = 671285968.

The previous prime is 671369339. The next prime is 671369411. The reversal of 671369353 is 353963176.

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 399680064 + 271689289 = 19992^2 + 16483^2 .

It is a cyclic number.

It is not a de Polignac number, because 671369353 - 2²⁵ = 637814921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671369323) 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, 28150 + ... + 46207.

It is an arithmetic number, because the mean of its divisors is an integer number (167863185).

Almost surely, 2^671369353 is an apocalyptic number.

It is an amenable number.

671369353 is a deficient number, since it is larger than the sum of its proper divisors (83387).

671369353 is an equidigital number, since it uses as much as digits as its factorization.

671369353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83386.

The product of its digits is 306180, while the sum is 43.

The square root of 671369353 is about 25910.7960703642. The cubic root of 671369353 is about 875.6297411673.

The spelling of 671369353 in words is "six hundred seventy-one million, three hundred sixty-nine thousand, three hundred fifty-three".