14128783761 has 4 divisors (see below), whose sum is σ = 18838378352. Its totient is φ = 9419189172.

The previous prime is 14128783751. The next prime is 14128783763. The reversal of 14128783761 is 16738782141.

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 not a de Polignac number, because 14128783761 - 2⁷ = 14128783633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14128783761.

It is not an unprimeable number, because it can be changed into a prime (14128783763) 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, 2354797291 + ... + 2354797296.

It is an arithmetic number, because the mean of its divisors is an integer number (4709594588).

Almost surely, 2^14128783761 is an apocalyptic number.

It is an amenable number.

14128783761 is a deficient number, since it is larger than the sum of its proper divisors (4709594591).

14128783761 is an equidigital number, since it uses as much as digits as its factorization.

14128783761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709594590.

The product of its digits is 451584, while the sum is 48.

The spelling of 14128783761 in words is "fourteen billion, one hundred twenty-eight million, seven hundred eighty-three thousand, seven hundred sixty-one".