670240557203 has 4 divisors (see below), whose sum is σ = 765989208240. Its totient is φ = 574491906168.

The previous prime is 670240557167. The next prime is 670240557209. The reversal of 670240557203 is 302755042076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670240557203 - 2¹⁰ = 670240556179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670240557209) 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, 47874325508 + ... + 47874325521.

It is an arithmetic number, because the mean of its divisors is an integer number (191497302060).

Almost surely, 2^670240557203 is an apocalyptic number.

670240557203 is a deficient number, since it is larger than the sum of its proper divisors (95748651037).

670240557203 is an equidigital number, since it uses as much as digits as its factorization.

670240557203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95748651036.

The product of its (nonzero) digits is 352800, while the sum is 41.

Adding to 670240557203 its reverse (302755042076), we get a palindrome (972995599279).

The spelling of 670240557203 in words is "six hundred seventy billion, two hundred forty million, five hundred fifty-seven thousand, two hundred three".