129938288287 has 2 divisors, whose sum is σ = 129938288288. Its totient is φ = 129938288286.

The previous prime is 129938288219. The next prime is 129938288303. The reversal of 129938288287 is 782882839921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129938288287 - 2⁷ = 129938288159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129938288587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64969144143 + 64969144144.

It is an arithmetic number, because the mean of its divisors is an integer number (64969144144).

Almost surely, 2^129938288287 is an apocalyptic number.

129938288287 is a deficient number, since it is larger than the sum of its proper divisors (1).

129938288287 is an equidigital number, since it uses as much as digits as its factorization.

129938288287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 67.

The spelling of 129938288287 in words is "one hundred twenty-nine billion, nine hundred thirty-eight million, two hundred eighty-eight thousand, two hundred eighty-seven".