29609805653 has 2 divisors, whose sum is σ = 29609805654. Its totient is φ = 29609805652.

The previous prime is 29609805583. The next prime is 29609805671. The reversal of 29609805653 is 35650890692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29438666929 + 171138724 = 171577^2 + 13082^2 .

It is a cyclic number.

It is not a de Polignac number, because 29609805653 - 2⁸ = 29609805397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29609805595 and 29609805604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29609805053) 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, 14804902826 + 14804902827.

It is an arithmetic number, because the mean of its divisors is an integer number (14804902827).

Almost surely, 2^29609805653 is an apocalyptic number.

It is an amenable number.

29609805653 is a deficient number, since it is larger than the sum of its proper divisors (1).

29609805653 is an equidigital number, since it uses as much as digits as its factorization.

29609805653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 29609805653 in words is "twenty-nine billion, six hundred nine million, eight hundred five thousand, six hundred fifty-three".