29379859971169 has 4 divisors (see below), whose sum is σ = 29542179639700. Its totient is φ = 29217540302640.

The previous prime is 29379859971157. The next prime is 29379859971173. The reversal of 29379859971169 is 96117995897392.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1673690738944 + 27706169232225 = 1293712^2 + 5263665^2 .

It is a cyclic number.

It is not a de Polignac number, because 29379859971169 - 2¹¹ = 29379859969121 is a prime.

It is a super-2 number, since 2×29379859971169² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29379859971149) 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, 81159833994 + ... + 81159834355.

It is an arithmetic number, because the mean of its divisors is an integer number (7385544909925).

Almost surely, 2^{29379859971169} is an apocalyptic number.

It is an amenable number.

29379859971169 is a deficient number, since it is larger than the sum of its proper divisors (162319668531).

29379859971169 is a wasteful number, since it uses less digits than its factorization.

29379859971169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162319668530.

The product of its digits is 4166497440, while the sum is 85.

The spelling of 29379859971169 in words is "twenty-nine trillion, three hundred seventy-nine billion, eight hundred fifty-nine million, nine hundred seventy-one thousand, one hundred sixty-nine".