670238390357 has 16 divisors (see below), whose sum is σ = 700825141440. Its totient is φ = 640171913472.

The previous prime is 670238390329. The next prime is 670238390389. The reversal of 670238390357 is 753093832076.

It is not a de Polignac number, because 670238390357 - 2¹⁰ = 670238389333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670238390299 and 670238390308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670237390357) 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 in 15 ways as a sum of consecutive naturals, for example, 1518338 + ... + 1909404.

It is an arithmetic number, because the mean of its divisors is an integer number (43801571340).

Almost surely, 2^670238390357 is an apocalyptic number.

It is an amenable number.

670238390357 is a deficient number, since it is larger than the sum of its proper divisors (30586751083).

670238390357 is a wasteful number, since it uses less digits than its factorization.

670238390357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391732.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 670238390357 in words is "six hundred seventy billion, two hundred thirty-eight million, three hundred ninety thousand, three hundred fifty-seven".