29798640331 has 2 divisors, whose sum is σ = 29798640332. Its totient is φ = 29798640330.

The previous prime is 29798640323. The next prime is 29798640373. The reversal of 29798640331 is 13304689792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29798640331 - 2³ = 29798640323 is a prime.

It is a super-2 number, since 2×29798640331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29798640731) 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, 14899320165 + 14899320166.

It is an arithmetic number, because the mean of its divisors is an integer number (14899320166).

Almost surely, 2^29798640331 is an apocalyptic number.

29798640331 is a deficient number, since it is larger than the sum of its proper divisors (1).

29798640331 is an equidigital number, since it uses as much as digits as its factorization.

29798640331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 29798640331 in words is "twenty-nine billion, seven hundred ninety-eight million, six hundred forty thousand, three hundred thirty-one".