670351813346 has 4 divisors (see below), whose sum is σ = 1005527720022. Its totient is φ = 335175906672.

The previous prime is 670351813343. The next prime is 670351813363. The reversal of 670351813346 is 643318153076.

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

It can be written as a sum of positive squares in only one way, i.e., 636030175225 + 34321638121 = 797515^2 + 185261^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670351813346.

It is not an unprimeable number, because it can be changed into a prime (670351813343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167587953335 + ... + 167587953338.

Almost surely, 2^670351813346 is an apocalyptic number.

670351813346 is a deficient number, since it is larger than the sum of its proper divisors (335175906676).

670351813346 is a wasteful number, since it uses less digits than its factorization.

670351813346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335175906675.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 670351813346 in words is "six hundred seventy billion, three hundred fifty-one million, eight hundred thirteen thousand, three hundred forty-six".