670341261745 has 4 divisors (see below), whose sum is σ = 804409514100. Its totient is φ = 536273009392.

The previous prime is 670341261697. The next prime is 670341261761. The reversal of 670341261745 is 547162143076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 297644442624 + 372696819121 = 545568^2 + 610489^2 .

It is a cyclic number.

It is not a de Polignac number, because 670341261745 - 2⁷ = 670341261617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670341261695 and 670341261704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67034126170 + ... + 67034126179.

It is an arithmetic number, because the mean of its divisors is an integer number (201102378525).

Almost surely, 2^670341261745 is an apocalyptic number.

It is an amenable number.

670341261745 is a deficient number, since it is larger than the sum of its proper divisors (134068252355).

670341261745 is a wasteful number, since it uses less digits than its factorization.

670341261745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134068252354.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 670341261745 in words is "six hundred seventy billion, three hundred forty-one million, two hundred sixty-one thousand, seven hundred forty-five".