26129316376729 has 2 divisors, whose sum is σ = 26129316376730. Its totient is φ = 26129316376728.

The previous prime is 26129316376717. The next prime is 26129316376819. The reversal of 26129316376729 is 92767361392162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19403566882704 + 6725749494025 = 4404948^2 + 2593405^2 .

It is a cyclic number.

It is not a de Polignac number, because 26129316376729 - 2⁵ = 26129316376697 is a prime.

It is not a weakly prime, because it can be changed into another prime (26129316374729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13064658188364 + 13064658188365.

It is an arithmetic number, because the mean of its divisors is an integer number (13064658188365).

Almost surely, 2^{26129316376729} is an apocalyptic number.

It is an amenable number.

26129316376729 is a deficient number, since it is larger than the sum of its proper divisors (1).

26129316376729 is an equidigital number, since it uses as much as digits as its factorization.

26129316376729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61725888, while the sum is 64.

The spelling of 26129316376729 in words is "twenty-six trillion, one hundred twenty-nine billion, three hundred sixteen million, three hundred seventy-six thousand, seven hundred twenty-nine".