29947027047709 has 2 divisors, whose sum is σ = 29947027047710. Its totient is φ = 29947027047708.

The previous prime is 29947027047677. The next prime is 29947027047713. The reversal of 29947027047709 is 90774072074992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25454547562500 + 4492479485209 = 5045250^2 + 2119547^2 .

It is a cyclic number.

It is not a de Polignac number, because 29947027047709 - 2⁵ = 29947027047677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29947027047109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14973513523854 + 14973513523855.

It is an arithmetic number, because the mean of its divisors is an integer number (14973513523855).

Almost surely, 2^{29947027047709} is an apocalyptic number.

It is an amenable number.

29947027047709 is a deficient number, since it is larger than the sum of its proper divisors (1).

29947027047709 is an equidigital number, since it uses as much as digits as its factorization.

29947027047709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112021056, while the sum is 67.

The spelling of 29947027047709 in words is "twenty-nine trillion, nine hundred forty-seven billion, twenty-seven million, forty-seven thousand, seven hundred nine".