29394239393 has 2 divisors, whose sum is σ = 29394239394. Its totient is φ = 29394239392.

The previous prime is 29394239363. The next prime is 29394239443. The reversal of 29394239393 is 39393249392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26899936144 + 2494303249 = 164012^2 + 49943^2 .

It is a cyclic number.

It is not a de Polignac number, because 29394239393 - 2¹⁴ = 29394223009 is a prime.

It is not a weakly prime, because it can be changed into another prime (29394239353) 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, 14697119696 + 14697119697.

It is an arithmetic number, because the mean of its divisors is an integer number (14697119697).

Almost surely, 2^29394239393 is an apocalyptic number.

It is an amenable number.

29394239393 is a deficient number, since it is larger than the sum of its proper divisors (1).

29394239393 is an equidigital number, since it uses as much as digits as its factorization.

29394239393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 56.

Subtracting 29394239393 from its reverse (39393249392), we obtain a palindrome (9999009999).

The spelling of 29394239393 in words is "twenty-nine billion, three hundred ninety-four million, two hundred thirty-nine thousand, three hundred ninety-three".