29913793109 has 2 divisors, whose sum is σ = 29913793110. Its totient is φ = 29913793108.

The previous prime is 29913793099. The next prime is 29913793159. The reversal of 29913793109 is 90139731992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27654692209 + 2259100900 = 166297^2 + 47530^2 .

It is a cyclic number.

It is not a de Polignac number, because 29913793109 - 2⁴ = 29913793093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29913793159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14956896554 + 14956896555.

It is an arithmetic number, because the mean of its divisors is an integer number (14956896555).

Almost surely, 2^29913793109 is an apocalyptic number.

It is an amenable number.

29913793109 is a deficient number, since it is larger than the sum of its proper divisors (1).

29913793109 is an equidigital number, since it uses as much as digits as its factorization.

29913793109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 53.

The spelling of 29913793109 in words is "twenty-nine billion, nine hundred thirteen million, seven hundred ninety-three thousand, one hundred nine".