353541421003 has 4 divisors (see below), whose sum is σ = 353545862328. Its totient is φ = 353536979680.

The previous prime is 353541421001. The next prime is 353541421021. The reversal of 353541421003 is 300124145353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300124145353 = 1721 ⋅174389393.

It is a cyclic number.

It is not a de Polignac number, because 353541421003 - 2¹ = 353541421001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353541421001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099038 + ... + 2261203.

It is an arithmetic number, because the mean of its divisors is an integer number (88386465582).

Almost surely, 2^353541421003 is an apocalyptic number.

353541421003 is a deficient number, since it is larger than the sum of its proper divisors (4441325).

353541421003 is an equidigital number, since it uses as much as digits as its factorization.

353541421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441324.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 353541421003 its reverse (300124145353), we get a palindrome (653665566356).

The spelling of 353541421003 in words is "three hundred fifty-three billion, five hundred forty-one million, four hundred twenty-one thousand, three".