29449895081 has 2 divisors, whose sum is σ = 29449895082. Its totient is φ = 29449895080.

The previous prime is 29449895077. The next prime is 29449895087. The reversal of 29449895081 is 18059894492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19785235600 + 9664659481 = 140660^2 + 98309^2 .

It is a cyclic number.

It is not a de Polignac number, because 29449895081 - 2² = 29449895077 is a prime.

It is a super-2 number, since 2×29449895081² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29449895081.

It is not a weakly prime, because it can be changed into another prime (29449895087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14724947540 + 14724947541.

It is an arithmetic number, because the mean of its divisors is an integer number (14724947541).

Almost surely, 2^29449895081 is an apocalyptic number.

It is an amenable number.

29449895081 is a deficient number, since it is larger than the sum of its proper divisors (1).

29449895081 is an equidigital number, since it uses as much as digits as its factorization.

29449895081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 29449895081 in words is "twenty-nine billion, four hundred forty-nine million, eight hundred ninety-five thousand, eighty-one".