29284112643 has 4 divisors (see below), whose sum is σ = 39045483528. Its totient is φ = 19522741760.

The previous prime is 29284112621. The next prime is 29284112659. The reversal of 29284112643 is 34621148292.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29284112643 - 2²⁰ = 29283064067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29284112595 and 29284112604.

It is not an unprimeable number, because it can be changed into a prime (29284110643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4880685438 + ... + 4880685443.

It is an arithmetic number, because the mean of its divisors is an integer number (9761370882).

Almost surely, 2^29284112643 is an apocalyptic number.

29284112643 is a deficient number, since it is larger than the sum of its proper divisors (9761370885).

29284112643 is an equidigital number, since it uses as much as digits as its factorization.

29284112643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761370884.

The product of its digits is 165888, while the sum is 42.

The spelling of 29284112643 in words is "twenty-nine billion, two hundred eighty-four million, one hundred twelve thousand, six hundred forty-three".