13787394201 has 24 divisors (see below), whose sum is σ = 23099853504. Its totient is φ = 7760918880.

The previous prime is 13787394191. The next prime is 13787394209. The reversal of 13787394201 is 10249378731.

13787394201 is a `hidden beast` number, since 1 + 378 + 73 + 9 + 4 + 201 = 666.

It is not a de Polignac number, because 13787394201 - 2¹¹ = 13787392153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13787394209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1628970 + ... + 1637411.

It is an arithmetic number, because the mean of its divisors is an integer number (962493896).

Almost surely, 2^13787394201 is an apocalyptic number.

It is an amenable number.

13787394201 is a deficient number, since it is larger than the sum of its proper divisors (9312459303).

13787394201 is a wasteful number, since it uses less digits than its factorization.

13787394201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266461 (or 3266458 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 13787394201 in words is "thirteen billion, seven hundred eighty-seven million, three hundred ninety-four thousand, two hundred one".