126626379037 has 2 divisors, whose sum is σ = 126626379038. Its totient is φ = 126626379036.

The previous prime is 126626379031. The next prime is 126626379079. The reversal of 126626379037 is 730973626621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86726716036 + 39899663001 = 294494^2 + 199749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126626379037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126626379031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63313189518 + 63313189519.

It is an arithmetic number, because the mean of its divisors is an integer number (63313189519).

Almost surely, 2^126626379037 is an apocalyptic number.

It is an amenable number.

126626379037 is a deficient number, since it is larger than the sum of its proper divisors (1).

126626379037 is an equidigital number, since it uses as much as digits as its factorization.

126626379037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 126626379037 in words is "one hundred twenty-six billion, six hundred twenty-six million, three hundred seventy-nine thousand, thirty-seven".