29809170064 has 40 divisors (see below), whose sum is σ = 63261363960. Its totient is φ = 13544122368.

The previous prime is 29809170037. The next prime is 29809170101. The reversal of 29809170064 is 46007190892.

It can be written as a sum of positive squares in 4 ways, for example, as 3305330064 + 26503840000 = 57492^2 + 162800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29809169996 and 29809170023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881639 + ... + 1897414.

It is an arithmetic number, because the mean of its divisors is an integer number (1581534099).

Almost surely, 2^29809170064 is an apocalyptic number.

It is an amenable number.

29809170064 is an abundant number, since it is smaller than the sum of its proper divisors (33452193896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29809170064 is a wasteful number, since it uses less digits than its factorization.

29809170064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779107 (or 3779101 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 29809170064 in words is "twenty-nine billion, eight hundred nine million, one hundred seventy thousand, sixty-four".