29647147613 has 2 divisors, whose sum is σ = 29647147614. Its totient is φ = 29647147612.

The previous prime is 29647147529. The next prime is 29647147721. The reversal of 29647147613 is 31674174692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28283839684 + 1363307929 = 168178^2 + 36923^2 .

It is a cyclic number.

It is not a de Polignac number, because 29647147613 - 2¹² = 29647143517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29647141613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14823573806 + 14823573807.

It is an arithmetic number, because the mean of its divisors is an integer number (14823573807).

Almost surely, 2^29647147613 is an apocalyptic number.

It is an amenable number.

29647147613 is a deficient number, since it is larger than the sum of its proper divisors (1).

29647147613 is an equidigital number, since it uses as much as digits as its factorization.

29647147613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The spelling of 29647147613 in words is "twenty-nine billion, six hundred forty-seven million, one hundred forty-seven thousand, six hundred thirteen".