399358244203 has 4 divisors (see below), whose sum is σ = 405318815080. Its totient is φ = 393397673328.

The previous prime is 399358244179. The next prime is 399358244237. The reversal of 399358244203 is 302442853993.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-399358244203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399358244503) 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, 2980285338 + ... + 2980285471.

It is an arithmetic number, because the mean of its divisors is an integer number (101329703770).

Almost surely, 2^399358244203 is an apocalyptic number.

399358244203 is a deficient number, since it is larger than the sum of its proper divisors (5960570877).

399358244203 is an equidigital number, since it uses as much as digits as its factorization.

399358244203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960570876.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 399358244203 in words is "three hundred ninety-nine billion, three hundred fifty-eight million, two hundred forty-four thousand, two hundred three".