670240373539 has 4 divisors (see below), whose sum is σ = 731171316600. Its totient is φ = 609309430480.

The previous prime is 670240373497. The next prime is 670240373557. The reversal of 670240373539 is 935373042076.

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 670240373539 - 2²³ = 670231984931 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670240373492 and 670240373501.

It is not an unprimeable number, because it can be changed into a prime (670240370539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30465471514 + ... + 30465471535.

It is an arithmetic number, because the mean of its divisors is an integer number (182792829150).

Almost surely, 2^670240373539 is an apocalyptic number.

670240373539 is a deficient number, since it is larger than the sum of its proper divisors (60930943061).

670240373539 is a wasteful number, since it uses less digits than its factorization.

670240373539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60930943060.

The product of its (nonzero) digits is 2857680, while the sum is 49.

The spelling of 670240373539 in words is "six hundred seventy billion, two hundred forty million, three hundred seventy-three thousand, five hundred thirty-nine".