29718051968834 has 4 divisors (see below), whose sum is σ = 44577077953254. Its totient is φ = 14859025984416.

The previous prime is 29718051968809. The next prime is 29718051968873. The reversal of 29718051968834 is 43886915081792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17600516918209 + 12117535050625 = 4195297^2 + 3481025^2 .

It is a super-2 number, since 2×29718051968834² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7429512992207 + ... + 7429512992210.

It is a 1-persistent number, because it is pandigital, but 2⋅29718051968834 = 59436103937668 is not.

Almost surely, 2^{29718051968834} is an apocalyptic number.

29718051968834 is a deficient number, since it is larger than the sum of its proper divisors (14859025984420).

29718051968834 is a wasteful number, since it uses less digits than its factorization.

29718051968834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859025984419.

The product of its (nonzero) digits is 209018880, while the sum is 71.

The spelling of 29718051968834 in words is "twenty-nine trillion, seven hundred eighteen billion, fifty-one million, nine hundred sixty-eight thousand, eight hundred thirty-four".