670670220517 has 4 divisors (see below), whose sum is σ = 731640240576. Its totient is φ = 609700200460.

The previous prime is 670670220499. The next prime is 670670220529. The reversal of 670670220517 is 715022076076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670670220517 - 2²⁷ = 670536002789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670670220547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30485010013 + ... + 30485010034.

It is an arithmetic number, because the mean of its divisors is an integer number (182910060144).

Almost surely, 2^670670220517 is an apocalyptic number.

It is an amenable number.

670670220517 is a deficient number, since it is larger than the sum of its proper divisors (60970020059).

670670220517 is a wasteful number, since it uses less digits than its factorization.

670670220517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60970020058.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 670670220517 in words is "six hundred seventy billion, six hundred seventy million, two hundred twenty thousand, five hundred seventeen".