354413352565 has 4 divisors (see below), whose sum is σ = 425296023084. Its totient is φ = 283530682048.

The previous prime is 354413352533. The next prime is 354413352571. The reversal of 354413352565 is 565253314453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565253314453 = 4177 ⋅135325189.

It can be written as a sum of positive squares in 2 ways, for example, as 105853273201 + 248560079364 = 325351^2 + 498558^2 .

It is a cyclic number.

It is not a de Polignac number, because 354413352565 - 2⁵ = 354413352533 is a prime.

It is a super-3 number, since 3×354413352565³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 35441335252 + ... + 35441335261.

It is an arithmetic number, because the mean of its divisors is an integer number (106324005771).

Almost surely, 2^354413352565 is an apocalyptic number.

It is an amenable number.

354413352565 is a deficient number, since it is larger than the sum of its proper divisors (70882670519).

354413352565 is an equidigital number, since it uses as much as digits as its factorization.

354413352565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70882670518.

The product of its digits is 3240000, while the sum is 46.

The spelling of 354413352565 in words is "three hundred fifty-four billion, four hundred thirteen million, three hundred fifty-two thousand, five hundred sixty-five".