354844385279 has 4 divisors (see below), whose sum is σ = 355652687280. Its totient is φ = 354036083280.

The previous prime is 354844385249. The next prime is 354844385407. The reversal of 354844385279 is 972583448453.

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

It is a cyclic number.

It is not a de Polignac number, because 354844385279 - 2³⁶ = 286124908543 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 (354844385219) 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, 404150342 + ... + 404151219.

It is an arithmetic number, because the mean of its divisors is an integer number (88913171820).

Almost surely, 2^354844385279 is an apocalyptic number.

354844385279 is a deficient number, since it is larger than the sum of its proper divisors (808302001).

354844385279 is an equidigital number, since it uses as much as digits as its factorization.

354844385279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808302000.

The product of its digits is 116121600, while the sum is 62.

The spelling of 354844385279 in words is "three hundred fifty-four billion, eight hundred forty-four million, three hundred eighty-five thousand, two hundred seventy-nine".