353405039405 has 18 divisors (see below), whose sum is σ = 466163455338. Its totient is φ = 257011212480.

The previous prime is 353405039357. The next prime is 353405039419. The reversal of 353405039405 is 504930504353.

It can be written as a sum of positive squares in 3 ways, for example, as 234703429444 + 118701609961 = 484462^2 + 344531^2 .

It is not a de Polignac number, because 353405039405 - 2⁶ = 353405039341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14610161 + ... + 14634329.

It is an arithmetic number, because the mean of its divisors is an integer number (25897969741).

Almost surely, 2^353405039405 is an apocalyptic number.

It is an amenable number.

353405039405 is a deficient number, since it is larger than the sum of its proper divisors (112758415933).

353405039405 is an frugal number, since it uses more digits than its factorization.

353405039405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48365 (or 24185 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 353405039405 in words is "three hundred fifty-three billion, four hundred five million, thirty-nine thousand, four hundred five".