29213215845 has 32 divisors (see below), whose sum is σ = 51123585024. Its totient is φ = 14126971200.

The previous prime is 29213215789. The next prime is 29213215873. The reversal of 29213215845 is 54851231292.

It is not a de Polignac number, because 29213215845 - 2²⁰ = 29212167269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29213215797 and 29213215806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167941 + ... + 294330.

It is an arithmetic number, because the mean of its divisors is an integer number (1597612032).

Almost surely, 2^29213215845 is an apocalyptic number.

It is an amenable number.

29213215845 is a deficient number, since it is larger than the sum of its proper divisors (21910369179).

29213215845 is a wasteful number, since it uses less digits than its factorization.

29213215845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462673.

The product of its digits is 172800, while the sum is 42.

The spelling of 29213215845 in words is "twenty-nine billion, two hundred thirteen million, two hundred fifteen thousand, eight hundred forty-five".