353809093 has 4 divisors (see below), whose sum is σ = 385973568. Its totient is φ = 321644620.

The previous prime is 353809037. The next prime is 353809097. The reversal of 353809093 is 390908353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 353809093 - 2¹³ = 353800901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353809097) 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, 16082221 + ... + 16082242.

It is an arithmetic number, because the mean of its divisors is an integer number (96493392).

Almost surely, 2^353809093 is an apocalyptic number.

It is an amenable number.

353809093 is a deficient number, since it is larger than the sum of its proper divisors (32164475).

353809093 is a wasteful number, since it uses less digits than its factorization.

353809093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32164474.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 353809093 is about 18809.8137417679. The cubic root of 353809093 is about 707.2772083780.

The spelling of 353809093 in words is "three hundred fifty-three million, eight hundred nine thousand, ninety-three".