3205454340455 has 4 divisors (see below), whose sum is σ = 3846545208552. Its totient is φ = 2564363472360.

The previous prime is 3205454340419. The next prime is 3205454340457. The reversal of 3205454340455 is 5540434545023.

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

It is not a de Polignac number, because 3205454340455 - 2⁸ = 3205454340199 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 (3205454340457) 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, 320545434041 + ... + 320545434050.

It is an arithmetic number, because the mean of its divisors is an integer number (961636302138).

Almost surely, 2^{3205454340455} is an apocalyptic number.

3205454340455 is a deficient number, since it is larger than the sum of its proper divisors (641090868097).

3205454340455 is an equidigital number, since it uses as much as digits as its factorization.

3205454340455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641090868096.

The product of its (nonzero) digits is 2880000, while the sum is 44.

Adding to 3205454340455 its reverse (5540434545023), we get a palindrome (8745888885478).

The spelling of 3205454340455 in words is "three trillion, two hundred five billion, four hundred fifty-four million, three hundred forty thousand, four hundred fifty-five".