670203013404217 has 4 divisors (see below), whose sum is σ = 670203090238500. Its totient is φ = 670202936569936.

The previous prime is 670203013404179. The next prime is 670203013404259. The reversal of 670203013404217 is 712404310302076.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 543157563559081 + 127045449845136 = 23305741^2 + 11271444^2 .

It is a cyclic number.

It is not a de Polignac number, because 670203013404217 - 2⁴³ = 661406920382009 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 670203013404217.

It is not an unprimeable number, because it can be changed into a prime (670203013404917) 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 3 ways as a sum of consecutive naturals, for example, 23368018 + ... + 43433515.

It is an arithmetic number, because the mean of its divisors is an integer number (167550772559625).

Almost surely, 2^{670203013404217} is an apocalyptic number.

It is an amenable number.

670203013404217 is a deficient number, since it is larger than the sum of its proper divisors (76834283).

670203013404217 is a wasteful number, since it uses less digits than its factorization.

670203013404217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76834282.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 670203013404217 in words is "six hundred seventy trillion, two hundred three billion, thirteen million, four hundred four thousand, two hundred seventeen".