14138747477 has 4 divisors (see below), whose sum is σ = 14178800940. Its totient is φ = 14098694016.

The previous prime is 14138747461. The next prime is 14138747501. The reversal of 14138747477 is 77474783141.

It is a happy number.

14138747477 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6509423761 + 7629323716 = 80681^2 + 87346^2 .

It is a cyclic number.

It is not a de Polignac number, because 14138747477 - 2⁴ = 14138747461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14138747677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20026202 + ... + 20026907.

It is an arithmetic number, because the mean of its divisors is an integer number (3544700235).

Almost surely, 2^14138747477 is an apocalyptic number.

It is an amenable number.

14138747477 is a deficient number, since it is larger than the sum of its proper divisors (40053463).

14138747477 is an equidigital number, since it uses as much as digits as its factorization.

14138747477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40053462.

The product of its digits is 3687936, while the sum is 53.

The spelling of 14138747477 in words is "fourteen billion, one hundred thirty-eight million, seven hundred forty-seven thousand, four hundred seventy-seven".