29112886481 has 4 divisors (see below), whose sum is σ = 33271870272. Its totient is φ = 24953902692.

The previous prime is 29112886459. The next prime is 29112886483. The reversal of 29112886481 is 18468821192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29112886481 is a prime.

It is a super-2 number, since 2×29112886481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29112886483) 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 in 3 ways as a sum of consecutive naturals, for example, 2079491885 + ... + 2079491898.

It is an arithmetic number, because the mean of its divisors is an integer number (8317967568).

Almost surely, 2^29112886481 is an apocalyptic number.

It is an amenable number.

29112886481 is a deficient number, since it is larger than the sum of its proper divisors (4158983791).

29112886481 is an equidigital number, since it uses as much as digits as its factorization.

29112886481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158983790.

The product of its digits is 442368, while the sum is 50.

The spelling of 29112886481 in words is "twenty-nine billion, one hundred twelve million, eight hundred eighty-six thousand, four hundred eighty-one".