29910235205947 has 2 divisors, whose sum is σ = 29910235205948. Its totient is φ = 29910235205946.

The previous prime is 29910235205941. The next prime is 29910235205951. The reversal of 29910235205947 is 74950253201992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29910235205947 - 2⁷ = 29910235205819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29910235205891 and 29910235205900.

It is not a weakly prime, because it can be changed into another prime (29910235205941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14955117602973 + 14955117602974.

It is an arithmetic number, because the mean of its divisors is an integer number (14955117602974).

Almost surely, 2^{29910235205947} is an apocalyptic number.

29910235205947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29910235205947 is an equidigital number, since it uses as much as digits as its factorization.

29910235205947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 29910235205947 in words is "twenty-nine trillion, nine hundred ten billion, two hundred thirty-five million, two hundred five thousand, nine hundred forty-seven".