13388535045 has 48 divisors (see below), whose sum is σ = 24734840832. Its totient is φ = 6675955200.

The previous prime is 13388535023. The next prime is 13388535049. The reversal of 13388535045 is 54053588331.

13388535045 is a `hidden beast` number, since 1 + 33 + 88 + 535 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 13388535045 - 2⁶ = 13388534981 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388535049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57564 + ... + 173466.

It is an arithmetic number, because the mean of its divisors is an integer number (515309184).

Almost surely, 2^13388535045 is an apocalyptic number.

13388535045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13388535045 is a deficient number, since it is larger than the sum of its proper divisors (11346305787).

13388535045 is a wasteful number, since it uses less digits than its factorization.

13388535045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116082 (or 116079 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 13388535045 in words is "thirteen billion, three hundred eighty-eight million, five hundred thirty-five thousand, forty-five".