29842835853 has 4 divisors (see below), whose sum is σ = 39790447808. Its totient is φ = 19895223900.

The previous prime is 29842835839. The next prime is 29842835881. The reversal of 29842835853 is 35853824892.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29842835853 - 2⁵ = 29842835821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29842835793 and 29842835802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29842839853) 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, 4973805973 + ... + 4973805978.

It is an arithmetic number, because the mean of its divisors is an integer number (9947611952).

Almost surely, 2^29842835853 is an apocalyptic number.

It is an amenable number.

29842835853 is a deficient number, since it is larger than the sum of its proper divisors (9947611955).

29842835853 is an equidigital number, since it uses as much as digits as its factorization.

29842835853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947611954.

The product of its digits is 16588800, while the sum is 57.

The spelling of 29842835853 in words is "twenty-nine billion, eight hundred forty-two million, eight hundred thirty-five thousand, eight hundred fifty-three".