29972866409 has 8 divisors (see below), whose sum is σ = 30267461952. Its totient is φ = 29678340240.

The previous prime is 29972866387. The next prime is 29972866411. The reversal of 29972866409 is 90466827992.

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

It is a cyclic number.

It is not a de Polignac number, because 29972866409 - 2²⁰ = 29971817833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29972866009) 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 7 ways as a sum of consecutive naturals, for example, 1479422 + ... + 1499544.

It is an arithmetic number, because the mean of its divisors is an integer number (3783432744).

Almost surely, 2^29972866409 is an apocalyptic number.

It is an amenable number.

29972866409 is a deficient number, since it is larger than the sum of its proper divisors (294595543).

29972866409 is a wasteful number, since it uses less digits than its factorization.

29972866409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34687.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 29972866409 in words is "twenty-nine billion, nine hundred seventy-two million, eight hundred sixty-six thousand, four hundred nine".