670520725441 has 16 divisors (see below), whose sum is σ = 776855049984. Its totient is φ = 566823792384.

The previous prime is 670520725439. The next prime is 670520725477. The reversal of 670520725441 is 144527025076.

It is a cyclic number.

It is not a de Polignac number, because 670520725441 - 2¹ = 670520725439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670520725241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11249580 + ... + 11309026.

It is an arithmetic number, because the mean of its divisors is an integer number (48553440624).

Almost surely, 2^670520725441 is an apocalyptic number.

It is an amenable number.

670520725441 is a deficient number, since it is larger than the sum of its proper divisors (106334324543).

670520725441 is a wasteful number, since it uses less digits than its factorization.

670520725441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81600.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 670520725441 in words is "six hundred seventy billion, five hundred twenty million, seven hundred twenty-five thousand, four hundred forty-one".