29393888069 has 16 divisors (see below), whose sum is σ = 36407538048. Its totient is φ = 23108559552.

The previous prime is 29393888057. The next prime is 29393888071. The reversal of 29393888069 is 96088839392.

It is not a de Polignac number, because 29393888069 - 2¹² = 29393883973 is a prime.

It is a super-2 number, since 2×29393888069² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29393887996 and 29393888014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29393888089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014407 + ... + 1042980.

It is an arithmetic number, because the mean of its divisors is an integer number (2275471128).

Almost surely, 2^29393888069 is an apocalyptic number.

It is an amenable number.

29393888069 is a deficient number, since it is larger than the sum of its proper divisors (7013649979).

29393888069 is a wasteful number, since it uses less digits than its factorization.

29393888069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057564.

The product of its (nonzero) digits is 40310784, while the sum is 65.

The spelling of 29393888069 in words is "twenty-nine billion, three hundred ninety-three million, eight hundred eighty-eight thousand, sixty-nine".