671286453 has 8 divisors (see below), whose sum is σ = 895272768. Its totient is φ = 447412224.

The previous prime is 671286409. The next prime is 671286457. The reversal of 671286453 is 354682176.

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

It is not a de Polignac number, because 671286453 - 2⁶ = 671286389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671286457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12876 + ... + 38837.

It is an arithmetic number, because the mean of its divisors is an integer number (111909096).

Almost surely, 2^671286453 is an apocalyptic number.

It is an amenable number.

671286453 is a deficient number, since it is larger than the sum of its proper divisors (223986315).

671286453 is a wasteful number, since it uses less digits than its factorization.

671286453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56043.

The product of its digits is 241920, while the sum is 42.

The square root of 671286453 is about 25909.1963016995. The cubic root of 671286453 is about 875.5936990626.

The spelling of 671286453 in words is "six hundred seventy-one million, two hundred eighty-six thousand, four hundred fifty-three".