29189425168 has 10 divisors (see below), whose sum is σ = 56554511294. Its totient is φ = 14594712576.

The previous prime is 29189425157. The next prime is 29189425183. The reversal of 29189425168 is 86152498192.

It can be written as a sum of positive squares in only one way, i.e., 23578216704 + 5611208464 = 153552^2 + 74908^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912169521 + ... + 912169552.

Almost surely, 2^29189425168 is an apocalyptic number.

It is an amenable number.

29189425168 is a deficient number, since it is larger than the sum of its proper divisors (27365086126).

29189425168 is a wasteful number, since it uses less digits than its factorization.

29189425168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824339081 (or 1824339075 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The spelling of 29189425168 in words is "twenty-nine billion, one hundred eighty-nine million, four hundred twenty-five thousand, one hundred sixty-eight".