671140984453 has 8 divisors (see below), whose sum is σ = 689747828000. Its totient is φ = 652670455248.

The previous prime is 671140984399. The next prime is 671140984489. The reversal of 671140984453 is 354489041176.

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 671140984453 - 2²⁹ = 670604113541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671140984453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671140984853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34068603 + ... + 34088296.

It is an arithmetic number, because the mean of its divisors is an integer number (86218478500).

Almost surely, 2^671140984453 is an apocalyptic number.

It is an amenable number.

671140984453 is a deficient number, since it is larger than the sum of its proper divisors (18606843547).

671140984453 is a wasteful number, since it uses less digits than its factorization.

671140984453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68157171.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 671140984453 in words is "six hundred seventy-one billion, one hundred forty million, nine hundred eighty-four thousand, four hundred fifty-three".