29943797219 has 16 divisors (see below), whose sum is σ = 34704688128. Its totient is φ = 25304000832.

The previous prime is 29943797207. The next prime is 29943797281. The reversal of 29943797219 is 91279734992.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29943797219 is a prime.

It is a super-2 number, since 2×29943797219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29943797119) 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 15 ways as a sum of consecutive naturals, for example, 1372454 + ... + 1394100.

It is an arithmetic number, because the mean of its divisors is an integer number (2169043008).

Almost surely, 2^29943797219 is an apocalyptic number.

29943797219 is a deficient number, since it is larger than the sum of its proper divisors (4760890909).

29943797219 is a wasteful number, since it uses less digits than its factorization.

29943797219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24434.

The product of its digits is 15431472, while the sum is 62.

The spelling of 29943797219 in words is "twenty-nine billion, nine hundred forty-three million, seven hundred ninety-seven thousand, two hundred nineteen".