13875262769 has 4 divisors (see below), whose sum is σ = 13919592996. Its totient is φ = 13830932544.

The previous prime is 13875262741. The next prime is 13875262777. The reversal of 13875262769 is 96726257831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96726257831 = 7 ⋅13818036833.

It can be written as a sum of positive squares in 2 ways, for example, as 4625632144 + 9249630625 = 68012^2 + 96175^2 .

It is a cyclic number.

It is not a de Polignac number, because 13875262769 - 2¹² = 13875258673 is a prime.

It is a super-2 number, since 2×13875262769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13875262799) 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, 22164644 + ... + 22165269.

It is an arithmetic number, because the mean of its divisors is an integer number (3479898249).

Almost surely, 2^13875262769 is an apocalyptic number.

It is an amenable number.

13875262769 is a deficient number, since it is larger than the sum of its proper divisors (44330227).

13875262769 is an equidigital number, since it uses as much as digits as its factorization.

13875262769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44330226.

The product of its digits is 7620480, while the sum is 56.

The spelling of 13875262769 in words is "thirteen billion, eight hundred seventy-five million, two hundred sixty-two thousand, seven hundred sixty-nine".