163789413 has 4 divisors (see below), whose sum is σ = 218385888. Its totient is φ = 109192940.

The previous prime is 163789411. The next prime is 163789421. The reversal of 163789413 is 314987361.

163789413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163789413 - 2¹ = 163789411 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163789411) 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, 27298233 + ... + 27298238.

It is an arithmetic number, because the mean of its divisors is an integer number (54596472).

Almost surely, 2^163789413 is an apocalyptic number.

It is an amenable number.

163789413 is a deficient number, since it is larger than the sum of its proper divisors (54596475).

163789413 is an equidigital number, since it uses as much as digits as its factorization.

163789413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54596474.

The product of its digits is 108864, while the sum is 42.

The square root of 163789413 is about 12798.0237927580. The cubic root of 163789413 is about 547.1359803730.

The spelling of 163789413 in words is "one hundred sixty-three million, seven hundred eighty-nine thousand, four hundred thirteen".