670455294561 has 12 divisors (see below), whose sum is σ = 1042930458388. Its totient is φ = 412587873504.

The previous prime is 670455294559. The next prime is 670455294679. The reversal of 670455294561 is 165492554076.

670455294561 is a `hidden beast` number, since 6 + 7 + 0 + 4 + 55 + 29 + 4 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 166843656225 + 503611638336 = 408465^2 + 709656^2 .

It is not a de Polignac number, because 670455294561 - 2¹ = 670455294559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670455294498 and 670455294507.

It is not an unprimeable number, because it can be changed into a prime (670455294161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2865193450 + ... + 2865193683.

Almost surely, 2^670455294561 is an apocalyptic number.

It is an amenable number.

670455294561 is a deficient number, since it is larger than the sum of its proper divisors (372475163827).

670455294561 is a wasteful number, since it uses less digits than its factorization.

670455294561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730387152 (or 5730387149 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 670455294561 in words is "six hundred seventy billion, four hundred fifty-five million, two hundred ninety-four thousand, five hundred sixty-one".