126648439429 has 2 divisors, whose sum is σ = 126648439430. Its totient is φ = 126648439428.

The previous prime is 126648439369. The next prime is 126648439459. The reversal of 126648439429 is 924934846621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76494836929 + 50153602500 = 276577^2 + 223950^2 .

It is a cyclic number.

It is not a de Polignac number, because 126648439429 - 2³¹ = 124500955781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126648439459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63324219714 + 63324219715.

It is an arithmetic number, because the mean of its divisors is an integer number (63324219715).

Almost surely, 2^126648439429 is an apocalyptic number.

It is an amenable number.

126648439429 is a deficient number, since it is larger than the sum of its proper divisors (1).

126648439429 is an equidigital number, since it uses as much as digits as its factorization.

126648439429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 58.

The spelling of 126648439429 in words is "one hundred twenty-six billion, six hundred forty-eight million, four hundred thirty-nine thousand, four hundred twenty-nine".