358491494409 has 4 divisors (see below), whose sum is σ = 477988659216. Its totient is φ = 238994329604.

The previous prime is 358491494363. The next prime is 358491494411. The reversal of 358491494409 is 904494194853.

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 a cyclic number.

It is not a de Polignac number, because 358491494409 - 2²³ = 358483105801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (358491494489) 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, 59748582399 + ... + 59748582404.

It is an arithmetic number, because the mean of its divisors is an integer number (119497164804).

Almost surely, 2^358491494409 is an apocalyptic number.

It is an amenable number.

358491494409 is a deficient number, since it is larger than the sum of its proper divisors (119497164807).

358491494409 is a wasteful number, since it uses less digits than its factorization.

358491494409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119497164806.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 358491494409 in words is "three hundred fifty-eight billion, four hundred ninety-one million, four hundred ninety-four thousand, four hundred nine".