29993424770647 has 8 divisors (see below), whose sum is σ = 32303110939344. Its totient is φ = 27684095694528.

The previous prime is 29993424770597. The next prime is 29993424770651. The reversal of 29993424770647 is 74607742439992.

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

It is not a de Polignac number, because 29993424770647 - 2³⁵ = 29959065032279 is a prime.

It is a super-2 number, since 2×29993424770647² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29993424770647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993424770657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89098678 + ... + 89434675.

It is an arithmetic number, because the mean of its divisors is an integer number (4037888867418).

Almost surely, 2^{29993424770647} is an apocalyptic number.

29993424770647 is a deficient number, since it is larger than the sum of its proper divisors (2309686168697).

29993424770647 is a wasteful number, since it uses less digits than its factorization.

29993424770647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178546289.

The product of its (nonzero) digits is 1152216576, while the sum is 73.

The spelling of 29993424770647 in words is "twenty-nine trillion, nine hundred ninety-three billion, four hundred twenty-four million, seven hundred seventy thousand, six hundred forty-seven".