683017949601 has 27 divisors (see below), whose sum is σ = 1068360542067. Its totient is φ = 420298903440.

The previous prime is 683017949569. The next prime is 683017949629. The reversal of 683017949601 is 106949710386.

The square root of 683017949601 is 826449.

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

683017949601 is a `hidden beast` number, since 6 + 83 + 0 + 1 + 79 + 496 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101038158225 + 581979791376 = 317865^2 + 762876^2 .

It is not a de Polignac number, because 683017949601 - 2⁵ = 683017949569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (683017949681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32220916 + ... + 32242106.

Almost surely, 2^683017949601 is an apocalyptic number.

683017949601 is the 826449-th square number.

683017949601 is the 413225-th centered octagonal number.

It is an amenable number.

683017949601 is a deficient number, since it is larger than the sum of its proper divisors (385342592466).

683017949601 is an frugal number, since it uses more digits than its factorization.

683017949601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42414 (or 21207 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 683017949601 in words is "six hundred eighty-three billion, seventeen million, nine hundred forty-nine thousand, six hundred one".