29642319073 has 4 divisors (see below), whose sum is σ = 29647206148. Its totient is φ = 29637432000.

The previous prime is 29642319001. The next prime is 29642319079. The reversal of 29642319073 is 37091324692.

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 25024708864 + 4617610209 = 158192^2 + 67953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29642319073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29642319079) 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, 2434428 + ... + 2446573.

It is an arithmetic number, because the mean of its divisors is an integer number (7411801537).

Almost surely, 2^29642319073 is an apocalyptic number.

It is an amenable number.

29642319073 is a deficient number, since it is larger than the sum of its proper divisors (4887075).

29642319073 is an equidigital number, since it uses as much as digits as its factorization.

29642319073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887074.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 29642319073 in words is "twenty-nine billion, six hundred forty-two million, three hundred nineteen thousand, seventy-three".