29797444499 has 8 divisors (see below), whose sum is σ = 30531338208. Its totient is φ = 29063890240.

The previous prime is 29797444489. The next prime is 29797444553. The reversal of 29797444499 is 99444479792.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29797444499 is a prime.

It is a super-2 number, since 2×29797444499² (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 (29797444489) 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 7 ways as a sum of consecutive naturals, for example, 97634 + ... + 262920.

It is an arithmetic number, because the mean of its divisors is an integer number (3816417276).

Almost surely, 2^29797444499 is an apocalyptic number.

29797444499 is a deficient number, since it is larger than the sum of its proper divisors (733893709).

29797444499 is a wasteful number, since it uses less digits than its factorization.

29797444499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169725.

The product of its digits is 164602368, while the sum is 68.

The spelling of 29797444499 in words is "twenty-nine billion, seven hundred ninety-seven million, four hundred forty-four thousand, four hundred ninety-nine".