354223885619 has 4 divisors (see below), whose sum is σ = 372867248040. Its totient is φ = 335580523200.

The previous prime is 354223885607. The next prime is 354223885621. The reversal of 354223885619 is 916588322453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 354223885619 - 2¹² = 354223881523 is a prime.

It is a super-3 number, since 3×354223885619³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354223885219) 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, 9321681182 + ... + 9321681219.

It is an arithmetic number, because the mean of its divisors is an integer number (93216812010).

Almost surely, 2^354223885619 is an apocalyptic number.

354223885619 is a deficient number, since it is larger than the sum of its proper divisors (18643362421).

354223885619 is a wasteful number, since it uses less digits than its factorization.

354223885619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18643362420.

The product of its digits is 12441600, while the sum is 56.

The spelling of 354223885619 in words is "three hundred fifty-four billion, two hundred twenty-three million, eight hundred eighty-five thousand, six hundred nineteen".