29805914730 has 32 divisors (see below), whose sum is σ = 73278934848. Its totient is φ = 7754384000.

The previous prime is 29805914729. The next prime is 29805914737. The reversal of 29805914730 is 3741950892.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29805914730.

It is not an unprimeable number, because it can be changed into a prime (29805914737) 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, 12114996 + ... + 12117455.

It is an arithmetic number, because the mean of its divisors is an integer number (2289966714).

Almost surely, 2^29805914730 is an apocalyptic number.

29805914730 is an abundant number, since it is smaller than the sum of its proper divisors (43473020118).

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

29805914730 is a wasteful number, since it uses less digits than its factorization.

29805914730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24232502.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 29805914730 in words is "twenty-nine billion, eight hundred five million, nine hundred fourteen thousand, seven hundred thirty".