29969460081 has 32 divisors (see below), whose sum is σ = 49616864640. Its totient is φ = 17720294400.

The previous prime is 29969460061. The next prime is 29969460137. The reversal of 29969460081 is 18006496992.

29969460081 is a `hidden beast` number, since 29 + 9 + 6 + 9 + 4 + 600 + 8 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-29969460081 is a prime.

It is a super-2 number, since 2×29969460081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29969460061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1218400 + ... + 1242753.

It is an arithmetic number, because the mean of its divisors is an integer number (1550527020).

Almost surely, 2^29969460081 is an apocalyptic number.

It is an amenable number.

29969460081 is a deficient number, since it is larger than the sum of its proper divisors (19647404559).

29969460081 is a wasteful number, since it uses less digits than its factorization.

29969460081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461214 (or 2461208 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 29969460081 in words is "twenty-nine billion, nine hundred sixty-nine million, four hundred sixty thousand, eighty-one".