29136307481 has 2 divisors, whose sum is σ = 29136307482. Its totient is φ = 29136307480.

The previous prime is 29136307439. The next prime is 29136307483. The reversal of 29136307481 is 18470363192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28724826256 + 411481225 = 169484^2 + 20285^2 .

It is a cyclic number.

It is not a de Polignac number, because 29136307481 - 2¹⁰ = 29136306457 is a prime.

It is a super-2 number, since 2×29136307481² (a number of 22 digits) contains 22 as substring.

Together with 29136307483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29136307483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14568153740 + 14568153741.

It is an arithmetic number, because the mean of its divisors is an integer number (14568153741).

Almost surely, 2^29136307481 is an apocalyptic number.

It is an amenable number.

29136307481 is a deficient number, since it is larger than the sum of its proper divisors (1).

29136307481 is an equidigital number, since it uses as much as digits as its factorization.

29136307481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 29136307481 in words is "twenty-nine billion, one hundred thirty-six million, three hundred seven thousand, four hundred eighty-one".