670049559 has 12 divisors (see below), whose sum is σ = 983716552. Its totient is φ = 439376400.

The previous prime is 670049537. The next prime is 670049561. The reversal of 670049559 is 955940076.

It is a happy number.

670049559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670049559 - 2⁹ = 670049047 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 (670049579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609697 + ... + 610794.

Almost surely, 2^670049559 is an apocalyptic number.

670049559 is a deficient number, since it is larger than the sum of its proper divisors (313666993).

670049559 is a wasteful number, since it uses less digits than its factorization.

670049559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220558 (or 1220555 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 670049559 is about 25885.3155089908. The cubic root of 670049559 is about 875.0555867815.

The spelling of 670049559 in words is "six hundred seventy million, forty-nine thousand, five hundred fifty-nine".