605713989 has 4 divisors (see below), whose sum is σ = 807618656. Its totient is φ = 403809324.

The previous prime is 605713949. The next prime is 605714017. The reversal of 605713989 is 989317506.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 605713989 - 2²⁵ = 572159557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605713909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100952329 + ... + 100952334.

It is an arithmetic number, because the mean of its divisors is an integer number (201904664).

Almost surely, 2^605713989 is an apocalyptic number.

It is an amenable number.

605713989 is a deficient number, since it is larger than the sum of its proper divisors (201904667).

605713989 is a wasteful number, since it uses less digits than its factorization.

605713989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201904666.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 605713989 is about 24611.2573632474. The cubic root of 605713989 is about 846.1016356497.

The spelling of 605713989 in words is "six hundred five million, seven hundred thirteen thousand, nine hundred eighty-nine".