29321197099 has 2 divisors, whose sum is σ = 29321197100. Its totient is φ = 29321197098.

The previous prime is 29321197091. The next prime is 29321197133. The reversal of 29321197099 is 99079112392.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29321197099 - 2³ = 29321197091 is a prime.

It is not a weakly prime, because it can be changed into another prime (29321197091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14660598549 + 14660598550.

It is an arithmetic number, because the mean of its divisors is an integer number (14660598550).

Almost surely, 2^29321197099 is an apocalyptic number.

29321197099 is a deficient number, since it is larger than the sum of its proper divisors (1).

29321197099 is an equidigital number, since it uses as much as digits as its factorization.

29321197099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 52.

The spelling of 29321197099 in words is "twenty-nine billion, three hundred twenty-one million, one hundred ninety-seven thousand, ninety-nine".