29444447413 has 4 divisors (see below), whose sum is σ = 30129202048. Its totient is φ = 28759692780.

The previous prime is 29444447401. The next prime is 29444447419. The reversal of 29444447413 is 31474444492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29444447413 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 (29444447419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342377253 + ... + 342377338.

It is an arithmetic number, because the mean of its divisors is an integer number (7532300512).

Almost surely, 2^29444447413 is an apocalyptic number.

It is an amenable number.

29444447413 is a deficient number, since it is larger than the sum of its proper divisors (684754635).

29444447413 is an equidigital number, since it uses as much as digits as its factorization.

29444447413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684754634.

The product of its digits is 1548288, while the sum is 46.

The spelling of 29444447413 in words is "twenty-nine billion, four hundred forty-four million, four hundred forty-seven thousand, four hundred thirteen".