670228745425 has 12 divisors (see below), whose sum is σ = 831978273420. Its totient is φ = 535605816320.

The previous prime is 670228745369. The next prime is 670228745467. The reversal of 670228745425 is 524547822076.

It can be written as a sum of positive squares in 6 ways, for example, as 182735730576 + 487493014849 = 427476^2 + 698207^2 .

It is a de Polignac number, because none of the positive numbers 2^k-670228745425 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14405812 + ... + 14452261.

It is an arithmetic number, because the mean of its divisors is an integer number (69331522785).

Almost surely, 2^670228745425 is an apocalyptic number.

It is an amenable number.

670228745425 is a deficient number, since it is larger than the sum of its proper divisors (161749527995).

670228745425 is a wasteful number, since it uses less digits than its factorization.

670228745425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28859012 (or 28859007 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 670228745425 in words is "six hundred seventy billion, two hundred twenty-eight million, seven hundred forty-five thousand, four hundred twenty-five".