683261493 has 8 divisors (see below), whose sum is σ = 913073568. Its totient is φ = 454478544.

The previous prime is 683261479. The next prime is 683261497. The reversal of 683261493 is 394162386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 683261493 - 2⁵ = 683261461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683261497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255730 + ... + 258387.

It is an arithmetic number, because the mean of its divisors is an integer number (114134196).

Almost surely, 2^683261493 is an apocalyptic number.

It is an amenable number.

683261493 is a deficient number, since it is larger than the sum of its proper divisors (229812075).

683261493 is a wasteful number, since it uses less digits than its factorization.

683261493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514563.

The product of its digits is 186624, while the sum is 42.

The square root of 683261493 is about 26139.2710877714. The cubic root of 683261493 is about 880.7695975052.

The spelling of 683261493 in words is "six hundred eighty-three million, two hundred sixty-one thousand, four hundred ninety-three".