126607849591 has 2 divisors, whose sum is σ = 126607849592. Its totient is φ = 126607849590.

The previous prime is 126607849583. The next prime is 126607849607. The reversal of 126607849591 is 195948706621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126607849591 - 2³ = 126607849583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126607889591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63303924795 + 63303924796.

It is an arithmetic number, because the mean of its divisors is an integer number (63303924796).

Almost surely, 2^126607849591 is an apocalyptic number.

126607849591 is a deficient number, since it is larger than the sum of its proper divisors (1).

126607849591 is an equidigital number, since it uses as much as digits as its factorization.

126607849591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 126607849591 in words is "one hundred twenty-six billion, six hundred seven million, eight hundred forty-nine thousand, five hundred ninety-one".