29748244709 has 4 divisors (see below), whose sum is σ = 29751554316. Its totient is φ = 29744935104.

The previous prime is 29748244667. The next prime is 29748244717. The reversal of 29748244709 is 90744284792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22519504225 + 7228740484 = 150065^2 + 85022^2 .

It is a cyclic number.

It is not a de Polignac number, because 29748244709 - 2⁸ = 29748244453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29748244759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641284 + ... + 1659309.

It is an arithmetic number, because the mean of its divisors is an integer number (7437888579).

Almost surely, 2^29748244709 is an apocalyptic number.

It is an amenable number.

29748244709 is a deficient number, since it is larger than the sum of its proper divisors (3309607).

29748244709 is an equidigital number, since it uses as much as digits as its factorization.

29748244709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309606.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 29748244709 in words is "twenty-nine billion, seven hundred forty-eight million, two hundred forty-four thousand, seven hundred nine".