29817172713 has 4 divisors (see below), whose sum is σ = 39756230288. Its totient is φ = 19878115140.

The previous prime is 29817172691. The next prime is 29817172753. The reversal of 29817172713 is 31727171892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29817172713 - 2¹⁷ = 29817041641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29817172753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4969528783 + ... + 4969528788.

It is an arithmetic number, because the mean of its divisors is an integer number (9939057572).

Almost surely, 2^29817172713 is an apocalyptic number.

It is an amenable number.

29817172713 is a deficient number, since it is larger than the sum of its proper divisors (9939057575).

29817172713 is an equidigital number, since it uses as much as digits as its factorization.

29817172713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939057574.

The product of its digits is 296352, while the sum is 48.

The spelling of 29817172713 in words is "twenty-nine billion, eight hundred seventeen million, one hundred seventy-two thousand, seven hundred thirteen".