29731429073 has 2 divisors, whose sum is σ = 29731429074. Its totient is φ = 29731429072.

The previous prime is 29731429019. The next prime is 29731429099. The reversal of 29731429073 is 37092413792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16430881489 + 13300547584 = 128183^2 + 115328^2 .

It is a cyclic number.

It is not a de Polignac number, because 29731429073 - 2¹² = 29731424977 is a prime.

It is not a weakly prime, because it can be changed into another prime (29731422073) 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, 14865714536 + 14865714537.

It is an arithmetic number, because the mean of its divisors is an integer number (14865714537).

Almost surely, 2^29731429073 is an apocalyptic number.

It is an amenable number.

29731429073 is a deficient number, since it is larger than the sum of its proper divisors (1).

29731429073 is an equidigital number, since it uses as much as digits as its factorization.

29731429073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 29731429073 in words is "twenty-nine billion, seven hundred thirty-one million, four hundred twenty-nine thousand, seventy-three".