29914123805 has 8 divisors (see below), whose sum is σ = 36351340800. Its totient is φ = 23628370896.

The previous prime is 29914123769. The next prime is 29914123807. The reversal of 29914123805 is 50832141992.

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 29914123805 - 2⁸ = 29914123549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29914123807) 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, 37865585 + ... + 37866374.

It is an arithmetic number, because the mean of its divisors is an integer number (4543917600).

Almost surely, 2^29914123805 is an apocalyptic number.

It is an amenable number.

29914123805 is a deficient number, since it is larger than the sum of its proper divisors (6437216995).

29914123805 is an equidigital number, since it uses as much as digits as its factorization.

29914123805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75732043.

The product of its (nonzero) digits is 155520, while the sum is 44.

Adding to 29914123805 its sum of digits (44), we get a square (29914123849 = 172957²).

The spelling of 29914123805 in words is "twenty-nine billion, nine hundred fourteen million, one hundred twenty-three thousand, eight hundred five".