3456553342405 has 4 divisors (see below), whose sum is σ = 4147864010892. Its totient is φ = 2765242673920.

The previous prime is 3456553342397. The next prime is 3456553342409. The reversal of 3456553342405 is 5042433556543.

3456553342405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1271484015201 + 2185069327204 = 1127601^2 + 1478198^2 .

It is not a de Polignac number, because 3456553342405 - 2³ = 3456553342397 is a prime.

It is a super-2 number, since 2×3456553342405² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456553342409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345655334236 + ... + 345655334245.

It is an arithmetic number, because the mean of its divisors is an integer number (1036966002723).

Almost surely, 2^{3456553342405} is an apocalyptic number.

It is an amenable number.

3456553342405 is a deficient number, since it is larger than the sum of its proper divisors (691310668487).

3456553342405 is an equidigital number, since it uses as much as digits as its factorization.

3456553342405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691310668486.

The product of its (nonzero) digits is 12960000, while the sum is 49.

Adding to 3456553342405 its reverse (5042433556543), we get a palindrome (8498986898948).

The spelling of 3456553342405 in words is "three trillion, four hundred fifty-six billion, five hundred fifty-three million, three hundred forty-two thousand, four hundred five".