354283318821 has 16 divisors (see below), whose sum is σ = 485165000000. Its totient is φ = 229795792128.

The previous prime is 354283318789. The next prime is 354283318847. The reversal of 354283318821 is 128813382453.

It is not a de Polignac number, because 354283318821 - 2⁵ = 354283318789 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354283318871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3417570 + ... + 3519708.

It is an arithmetic number, because the mean of its divisors is an integer number (30322812500).

Almost surely, 2^354283318821 is an apocalyptic number.

It is an amenable number.

354283318821 is a deficient number, since it is larger than the sum of its proper divisors (130881681179).

354283318821 is a wasteful number, since it uses less digits than its factorization.

354283318821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133428.

The product of its digits is 1105920, while the sum is 48.

The spelling of 354283318821 in words is "three hundred fifty-four billion, two hundred eighty-three million, three hundred eighteen thousand, eight hundred twenty-one".