29225255617 has 2 divisors, whose sum is σ = 29225255618. Its totient is φ = 29225255616.

The previous prime is 29225255597. The next prime is 29225255623. The reversal of 29225255617 is 71655252292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21611646081 + 7613609536 = 147009^2 + 87256^2 .

It is a cyclic number.

It is not a de Polignac number, because 29225255617 - 2²⁷ = 29091037889 is a prime.

It is not a weakly prime, because it can be changed into another prime (29225235617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14612627808 + 14612627809.

It is an arithmetic number, because the mean of its divisors is an integer number (14612627809).

Almost surely, 2^29225255617 is an apocalyptic number.

It is an amenable number.

29225255617 is a deficient number, since it is larger than the sum of its proper divisors (1).

29225255617 is an equidigital number, since it uses as much as digits as its factorization.

29225255617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 46.

The spelling of 29225255617 in words is "twenty-nine billion, two hundred twenty-five million, two hundred fifty-five thousand, six hundred seventeen".