26747143469 has 2 divisors, whose sum is σ = 26747143470. Its totient is φ = 26747143468.

The previous prime is 26747143393. The next prime is 26747143481. The reversal of 26747143469 is 96434174762.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19303767844 + 7443375625 = 138938^2 + 86275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26747143469 is a prime.

It is a super-2 number, since 2×26747143469² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26747143469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26747143769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13373571734 + 13373571735.

It is an arithmetic number, because the mean of its divisors is an integer number (13373571735).

Almost surely, 2^26747143469 is an apocalyptic number.

It is an amenable number.

26747143469 is a deficient number, since it is larger than the sum of its proper divisors (1).

26747143469 is an equidigital number, since it uses as much as digits as its factorization.

26747143469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The spelling of 26747143469 in words is "twenty-six billion, seven hundred forty-seven million, one hundred forty-three thousand, four hundred sixty-nine".