13328902394 has 16 divisors (see below), whose sum is σ = 21201495336. Its totient is φ = 6262924800.

The previous prime is 13328902373. The next prime is 13328902403. The reversal of 13328902394 is 49320982331.

It can be written as a sum of positive squares in 4 ways, for example, as 13021776769 + 307125625 = 114113^2 + 17525^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274067 + ... + 319014.

Almost surely, 2^13328902394 is an apocalyptic number.

13328902394 is a deficient number, since it is larger than the sum of its proper divisors (7872592942).

13328902394 is a wasteful number, since it uses less digits than its factorization.

13328902394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593761.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 13328902394 in words is "thirteen billion, three hundred twenty-eight million, nine hundred two thousand, three hundred ninety-four".