3205412663 has 4 divisors (see below), whose sum is σ = 3208022040. Its totient is φ = 3202803288.

The previous prime is 3205412657. The next prime is 3205412671. The reversal of 3205412663 is 3662145023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3205412663 - 2¹⁴ = 3205396279 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 (3205412603) 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, 1302845 + ... + 1305302.

It is an arithmetic number, because the mean of its divisors is an integer number (802005510).

Almost surely, 2^3205412663 is an apocalyptic number.

3205412663 is a deficient number, since it is larger than the sum of its proper divisors (2609377).

3205412663 is a wasteful number, since it uses less digits than its factorization.

3205412663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609376.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3205412663 is about 56616.3639153911. The cubic root of 3205412663 is about 1474.4429823206.

Adding to 3205412663 its reverse (3662145023), we get a palindrome (6867557686).

The spelling of 3205412663 in words is "three billion, two hundred five million, four hundred twelve thousand, six hundred sixty-three".