338030306399 has 4 divisors (see below), whose sum is σ = 347166260664. Its totient is φ = 328894352136.

The previous prime is 338030306381. The next prime is 338030306447. The reversal of 338030306399 is 993603030833.

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 338030306399 - 2⁸ = 338030306143 is a prime.

It is a super-2 number, since 2×338030306399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338030306329) 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, 4567977077 + ... + 4567977150.

It is an arithmetic number, because the mean of its divisors is an integer number (86791565166).

Almost surely, 2^338030306399 is an apocalyptic number.

338030306399 is a deficient number, since it is larger than the sum of its proper divisors (9135954265).

338030306399 is an equidigital number, since it uses as much as digits as its factorization.

338030306399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135954264.

The product of its (nonzero) digits is 944784, while the sum is 47.

The spelling of 338030306399 in words is "three hundred thirty-eight billion, thirty million, three hundred six thousand, three hundred ninety-nine".