29923118390 has 16 divisors (see below), whose sum is σ = 58758123600. Its totient is φ = 10881133920.

The previous prime is 29923118389. The next prime is 29923118453. The reversal of 29923118390 is 9381132992.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136014065 + ... + 136014284.

It is an arithmetic number, because the mean of its divisors is an integer number (3672382725).

Almost surely, 2^29923118390 is an apocalyptic number.

29923118390 is a deficient number, since it is larger than the sum of its proper divisors (28835005210).

29923118390 is a wasteful number, since it uses less digits than its factorization.

29923118390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272028367.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 29923118390 in words is "twenty-nine billion, nine hundred twenty-three million, one hundred eighteen thousand, three hundred ninety".