29955689956451 has 8 divisors (see below), whose sum is σ = 36248902132320. Its totient is φ = 24165934754688.

The previous prime is 29955689956427. The next prime is 29955689956463. The reversal of 29955689956451 is 15465998655992.

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 29955689956451 - 2³⁴ = 29938510087267 is a prime.

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 29955689956451.

It is not an unprimeable number, because it can be changed into a prime (29955689956151) 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, 125864243396 + ... + 125864243633.

It is an arithmetic number, because the mean of its divisors is an integer number (4531112766540).

Almost surely, 2^{29955689956451} is an apocalyptic number.

29955689956451 is a deficient number, since it is larger than the sum of its proper divisors (6293212175869).

29955689956451 is a wasteful number, since it uses less digits than its factorization.

29955689956451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251728487053.

The product of its digits is 9447840000, while the sum is 83.

The spelling of 29955689956451 in words is "twenty-nine trillion, nine hundred fifty-five billion, six hundred eighty-nine million, nine hundred fifty-six thousand, four hundred fifty-one".