671270784253 has 8 divisors (see below), whose sum is σ = 687016140800. Its totient is φ = 655531537248.

The previous prime is 671270784251. The next prime is 671270784259. The reversal of 671270784253 is 352487072176.

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 671270784253 - 2¹ = 671270784251 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 671270784253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671270784251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304688 + ... + 1744921.

It is an arithmetic number, because the mean of its divisors is an integer number (85877017600).

Almost surely, 2^671270784253 is an apocalyptic number.

It is an amenable number.

671270784253 is a deficient number, since it is larger than the sum of its proper divisors (15745356547).

671270784253 is a wasteful number, since it uses less digits than its factorization.

671270784253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054771.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 671270784253 in words is "six hundred seventy-one billion, two hundred seventy million, seven hundred eighty-four thousand, two hundred fifty-three".