671370411 has 4 divisors (see below), whose sum is σ = 895160552. Its totient is φ = 447580272.

The previous prime is 671370407. The next prime is 671370421. The reversal of 671370411 is 114073176.

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

It is not a de Polignac number, because 671370411 - 2² = 671370407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671370421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111895066 + ... + 111895071.

It is an arithmetic number, because the mean of its divisors is an integer number (223790138).

Almost surely, 2^671370411 is an apocalyptic number.

671370411 is a deficient number, since it is larger than the sum of its proper divisors (223790141).

671370411 is a wasteful number, since it uses less digits than its factorization.

671370411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223790140.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 671370411 is about 25910.8164865563. The cubic root of 671370411 is about 875.6302011306.

The spelling of 671370411 in words is "six hundred seventy-one million, three hundred seventy thousand, four hundred eleven".