29718349745 has 8 divisors (see below), whose sum is σ = 40756593984. Its totient is φ = 20378296944.

The previous prime is 29718349709. The next prime is 29718349747. The reversal of 29718349745 is 54794381792.

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 29718349745 - 2²² = 29714155441 is a prime.

It is a super-2 number, since 2×29718349745² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29718349747) 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, 424547819 + ... + 424547888.

It is an arithmetic number, because the mean of its divisors is an integer number (5094574248).

Almost surely, 2^29718349745 is an apocalyptic number.

It is an amenable number.

29718349745 is a deficient number, since it is larger than the sum of its proper divisors (11038244239).

29718349745 is an equidigital number, since it uses as much as digits as its factorization.

29718349745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849095719.

The product of its digits is 15240960, while the sum is 59.

The spelling of 29718349745 in words is "twenty-nine billion, seven hundred eighteen million, three hundred forty-nine thousand, seven hundred forty-five".