13118849428 has 12 divisors (see below), whose sum is σ = 22968237600. Its totient is φ = 6556495832.

The previous prime is 13118849423. The next prime is 13118849473. The reversal of 13118849428 is 82494881131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118849423) 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, 722128 + ... + 740071.

It is an arithmetic number, because the mean of its divisors is an integer number (1914019800).

Almost surely, 2^13118849428 is an apocalyptic number.

It is an amenable number.

13118849428 is a deficient number, since it is larger than the sum of its proper divisors (9849388172).

13118849428 is a wasteful number, since it uses less digits than its factorization.

13118849428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464446 (or 1464444 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The spelling of 13118849428 in words is "thirteen billion, one hundred eighteen million, eight hundred forty-nine thousand, four hundred twenty-eight".