29840033645 has 16 divisors (see below), whose sum is σ = 36029048832. Its totient is φ = 23725133760.

The previous prime is 29840033623. The next prime is 29840033677. The reversal of 29840033645 is 54633004892.

It is not a de Polignac number, because 29840033645 - 2²⁰ = 29838985069 is a prime.

It is a super-3 number, since 3×29840033645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29840033596 and 29840033605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514415 + ... + 569475.

It is an arithmetic number, because the mean of its divisors is an integer number (2251815552).

Almost surely, 2^29840033645 is an apocalyptic number.

It is an amenable number.

29840033645 is a deficient number, since it is larger than the sum of its proper divisors (6189015187).

29840033645 is a wasteful number, since it uses less digits than its factorization.

29840033645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55732.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 29840033645 in words is "twenty-nine billion, eight hundred forty million, thirty-three thousand, six hundred forty-five".