129334519651 has 2 divisors, whose sum is σ = 129334519652. Its totient is φ = 129334519650.

The previous prime is 129334519637. The next prime is 129334519669. The reversal of 129334519651 is 156915433921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129334519651 - 2¹⁹ = 129333995363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129334519595 and 129334519604.

It is not a weakly prime, because it can be changed into another prime (129334519621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64667259825 + 64667259826.

It is an arithmetic number, because the mean of its divisors is an integer number (64667259826).

Almost surely, 2^129334519651 is an apocalyptic number.

129334519651 is a deficient number, since it is larger than the sum of its proper divisors (1).

129334519651 is an equidigital number, since it uses as much as digits as its factorization.

129334519651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 49.

The spelling of 129334519651 in words is "one hundred twenty-nine billion, three hundred thirty-four million, five hundred nineteen thousand, six hundred fifty-one".