29153939797 has 2 divisors, whose sum is σ = 29153939798. Its totient is φ = 29153939796.

The previous prime is 29153939791. The next prime is 29153939809. The reversal of 29153939797 is 79793935192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24203269476 + 4950670321 = 155574^2 + 70361^2 .

It is a cyclic number.

It is not a de Polignac number, because 29153939797 - 2²³ = 29145551189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29153939791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14576969898 + 14576969899.

It is an arithmetic number, because the mean of its divisors is an integer number (14576969899).

Almost surely, 2^29153939797 is an apocalyptic number.

It is an amenable number.

29153939797 is a deficient number, since it is larger than the sum of its proper divisors (1).

29153939797 is an equidigital number, since it uses as much as digits as its factorization.

29153939797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28934010, while the sum is 64.

The spelling of 29153939797 in words is "twenty-nine billion, one hundred fifty-three million, nine hundred thirty-nine thousand, seven hundred ninety-seven".