671435624461 has 8 divisors (see below), whose sum is σ = 767527435584. Its totient is φ = 575386922400.

The previous prime is 671435624437. The next prime is 671435624473. The reversal of 671435624461 is 164426534176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671435624461 - 2⁹ = 671435623949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671435624261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10743880 + ... + 10806193.

It is an arithmetic number, because the mean of its divisors is an integer number (95940929448).

Almost surely, 2^671435624461 is an apocalyptic number.

It is an amenable number.

671435624461 is a deficient number, since it is larger than the sum of its proper divisors (96091811123).

671435624461 is a wasteful number, since it uses less digits than its factorization.

671435624461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21554531.

The product of its digits is 2903040, while the sum is 49.

The spelling of 671435624461 in words is "six hundred seventy-one billion, four hundred thirty-five million, six hundred twenty-four thousand, four hundred sixty-one".