5266259729 has 2 divisors, whose sum is σ = 5266259730. Its totient is φ = 5266259728.

The previous prime is 5266259717. The next prime is 5266259833. The reversal of 5266259729 is 9279526625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5054499025 + 211760704 = 71095^2 + 14552^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266259729 - 2¹² = 5266255633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266259029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633129864 + 2633129865.

It is an arithmetic number, because the mean of its divisors is an integer number (2633129865).

Almost surely, 2^5266259729 is an apocalyptic number.

It is an amenable number.

5266259729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266259729 is an equidigital number, since it uses as much as digits as its factorization.

5266259729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 5266259729 is about 72568.9997795202. Note that the first 3 decimals coincide. The cubic root of 5266259729 is about 1739.8057352370.

The spelling of 5266259729 in words is "five billion, two hundred sixty-six million, two hundred fifty-nine thousand, seven hundred twenty-nine".