683020091 has 6 divisors (see below), whose sum is σ = 739601820. Its totient is φ = 630479928.

The previous prime is 683020057. The next prime is 683020109. The reversal of 683020091 is 190020386.

It is not a de Polignac number, because 683020091 - 2¹⁰ = 683019067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683020001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2020601 + ... + 2020938.

It is an arithmetic number, because the mean of its divisors is an integer number (123266970).

Almost surely, 2^683020091 is an apocalyptic number.

683020091 is a deficient number, since it is larger than the sum of its proper divisors (56581729).

683020091 is a wasteful number, since it uses less digits than its factorization.

683020091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041565 (or 4041552 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 683020091 is about 26134.6530682923. The cubic root of 683020091 is about 880.6658575318.

The spelling of 683020091 in words is "six hundred eighty-three million, twenty thousand, ninety-one".