3240662489 has 4 divisors (see below), whose sum is σ = 3240831924. Its totient is φ = 3240493056.

The previous prime is 3240662389. The next prime is 3240662539. The reversal of 3240662489 is 9842660423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9842660423 = 21017 ⋅468319.

It can be written as a sum of positive squares in 2 ways, for example, as 2721187225 + 519475264 = 52165^2 + 22792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240662489 is a prime.

It is a super-2 number, since 2×3240662489² = 21003786735223350242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240662389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51752 + ... + 95705.

It is an arithmetic number, because the mean of its divisors is an integer number (810207981).

Almost surely, 2^3240662489 is an apocalyptic number.

It is an amenable number.

3240662489 is a deficient number, since it is larger than the sum of its proper divisors (169435).

3240662489 is a wasteful number, since it uses less digits than its factorization.

3240662489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169434.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 3240662489 is about 56926.8169582667. The cubic root of 3240662489 is about 1479.8280919455.

The spelling of 3240662489 in words is "three billion, two hundred forty million, six hundred sixty-two thousand, four hundred eighty-nine".