353421373073 has 4 divisors (see below), whose sum is σ = 353437780260. Its totient is φ = 353404965888.

The previous prime is 353421373031. The next prime is 353421373079. The reversal of 353421373073 is 370373124353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370373124353 = 97987 ⋅3779819.

It can be written as a sum of positive squares in 2 ways, for example, as 63651253264 + 289770119809 = 252292^2 + 538303^2 .

It is a cyclic number.

It is not a de Polignac number, because 353421373073 - 2⁶ = 353421373009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 353421373073.

It is not an unprimeable number, because it can be changed into a prime (353421373079) 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 3 ways as a sum of consecutive naturals, for example, 8171240 + ... + 8214377.

It is an arithmetic number, because the mean of its divisors is an integer number (88359445065).

Almost surely, 2^353421373073 is an apocalyptic number.

It is an amenable number.

353421373073 is a deficient number, since it is larger than the sum of its proper divisors (16407187).

353421373073 is a wasteful number, since it uses less digits than its factorization.

353421373073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16407186.

The product of its (nonzero) digits is 476280, while the sum is 41.

The spelling of 353421373073 in words is "three hundred fifty-three billion, four hundred twenty-one million, three hundred seventy-three thousand, seventy-three".