12962262749 has 2 divisors, whose sum is σ = 12962262750. Its totient is φ = 12962262748.

The previous prime is 12962262701. The next prime is 12962262763. The reversal of 12962262749 is 94726226921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12372112900 + 590149849 = 111230^2 + 24293^2 .

It is an emirp because it is prime and its reverse (94726226921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12962262749 is a prime.

It is a super-2 number, since 2×12962262749² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12962262697 and 12962262706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12962262349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6481131374 + 6481131375.

It is an arithmetic number, because the mean of its divisors is an integer number (6481131375).

Almost surely, 2^12962262749 is an apocalyptic number.

It is an amenable number.

12962262749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12962262749 is an equidigital number, since it uses as much as digits as its factorization.

12962262749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The spelling of 12962262749 in words is "twelve billion, nine hundred sixty-two million, two hundred sixty-two thousand, seven hundred forty-nine".