13310400394 has 4 divisors (see below), whose sum is σ = 19965600594. Its totient is φ = 6655200196.

The previous prime is 13310400377. The next prime is 13310400401. The reversal of 13310400394 is 49300401331.

13310400394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49300401331 = 29 ⋅1700013839.

It can be written as a sum of positive squares in only one way, i.e., 12218428369 + 1091972025 = 110537^2 + 33045^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3327600097 + ... + 3327600100.

Almost surely, 2^13310400394 is an apocalyptic number.

13310400394 is a deficient number, since it is larger than the sum of its proper divisors (6655200200).

13310400394 is an equidigital number, since it uses as much as digits as its factorization.

13310400394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655200199.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 13310400394 in words is "thirteen billion, three hundred ten million, four hundred thousand, three hundred ninety-four".