670795398441 has 81 divisors (see below), whose sum is σ = 1155214110141. Its totient is φ = 373984645104.

The previous prime is 670795398439. The next prime is 670795398443. The reversal of 670795398441 is 144893597076.

The square root of 670795398441 is 819021.

It is a perfect power (a square), and thus also a powerful number.

670795398441 is a `hidden beast` number, since 6 + 70 + 7 + 95 + 39 + 8 + 441 = 666.

670795398441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (670795398439) and next prime (670795398443).

It is not a de Polignac number, because 670795398441 - 2¹ = 670795398439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (670795398443) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 739575510 + ... + 739576416.

Almost surely, 2^670795398441 is an apocalyptic number.

670795398441 is the 819021-st square number.

670795398441 is the 409511-st centered octagonal number.

It is an amenable number.

670795398441 is a deficient number, since it is larger than the sum of its proper divisors (484418711700).

670795398441 is an frugal number, since it uses more digits than its factorization.

670795398441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 670795398441 in words is "six hundred seventy billion, seven hundred ninety-five million, three hundred ninety-eight thousand, four hundred forty-one".