29349085172 has 24 divisors (see below), whose sum is σ = 57087247392. Its totient is φ = 13088784800.

The previous prime is 29349085159. The next prime is 29349085177. The reversal of 29349085172 is 27158094392.

It is a super-2 number, since 2×29349085172² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29349085172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29349085177) 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, 6290354 + ... + 6295017.

It is an arithmetic number, because the mean of its divisors is an integer number (2378635308).

Almost surely, 2^29349085172 is an apocalyptic number.

29349085172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29349085172 is a deficient number, since it is larger than the sum of its proper divisors (27738162220).

29349085172 is a wasteful number, since it uses less digits than its factorization.

29349085172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12585439 (or 12585437 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 29349085172 in words is "twenty-nine billion, three hundred forty-nine million, eighty-five thousand, one hundred seventy-two".