353343605538 has 128 divisors (see below), whose sum is σ = 903170580480. Its totient is φ = 89489445120.

The previous prime is 353343605521. The next prime is 353343605539. The reversal of 353343605538 is 835506343353.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (353343605539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5810820 + ... + 5871312.

It is an arithmetic number, because the mean of its divisors is an integer number (7056020160).

Almost surely, 2^353343605538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 353343605538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451585290240).

353343605538 is an abundant number, since it is smaller than the sum of its proper divisors (549826974942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353343605538 is a wasteful number, since it uses less digits than its factorization.

353343605538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60832.

The product of its (nonzero) digits is 5832000, while the sum is 48.

The spelling of 353343605538 in words is "three hundred fifty-three billion, three hundred forty-three million, six hundred five thousand, five hundred thirty-eight".