126606298769 has 2 divisors, whose sum is σ = 126606298770. Its totient is φ = 126606298768.

The previous prime is 126606298691. The next prime is 126606298781. The reversal of 126606298769 is 967892606621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117983319169 + 8622979600 = 343487^2 + 92860^2 .

It is a cyclic number.

It is not a de Polignac number, because 126606298769 - 2¹⁶ = 126606233233 is a prime.

It is a super-2 number, since 2×126606298769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126606291769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63303149384 + 63303149385.

It is an arithmetic number, because the mean of its divisors is an integer number (63303149385).

Almost surely, 2^126606298769 is an apocalyptic number.

It is an amenable number.

126606298769 is a deficient number, since it is larger than the sum of its proper divisors (1).

126606298769 is an equidigital number, since it uses as much as digits as its factorization.

126606298769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 126606298769 in words is "one hundred twenty-six billion, six hundred six million, two hundred ninety-eight thousand, seven hundred sixty-nine".