354618816453 has 32 divisors (see below), whose sum is σ = 598039649280. Its totient is φ = 205576121520.

The previous prime is 354618816403. The next prime is 354618816457.

It is a happy number.

354618816453 is a `hidden beast` number, since 3 + 5 + 4 + 6 + 188 + 1 + 6 + 453 = 666.

354618816453 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 354618816453 - 2¹² = 354618812357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 354618816453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354618816457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25949751 + ... + 25963412.

It is an arithmetic number, because the mean of its divisors is an integer number (18688739040).

Almost surely, 2^354618816453 is an apocalyptic number.

354618816453 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

354618816453 is a deficient number, since it is larger than the sum of its proper divisors (243420832827).

354618816453 is a wasteful number, since it uses less digits than its factorization.

354618816453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51913206 (or 51913200 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 354618816453 in words is "three hundred fifty-four billion, six hundred eighteen million, eight hundred sixteen thousand, four hundred fifty-three".