13788920545 has 16 divisors (see below), whose sum is σ = 16724477952. Its totient is φ = 10912841280.

The previous prime is 13788920501. The next prime is 13788920557. The reversal of 13788920545 is 54502988731.

It is a happy number.

It is not a de Polignac number, because 13788920545 - 2¹³ = 13788912353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13788920492 and 13788920501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508480 + ... + 534910.

It is an arithmetic number, because the mean of its divisors is an integer number (1045279872).

Almost surely, 2^13788920545 is an apocalyptic number.

It is an amenable number.

13788920545 is a deficient number, since it is larger than the sum of its proper divisors (2935557407).

13788920545 is a wasteful number, since it uses less digits than its factorization.

13788920545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 13788920545 in words is "thirteen billion, seven hundred eighty-eight million, nine hundred twenty thousand, five hundred forty-five".