29130572833 has 4 divisors (see below), whose sum is σ = 29134445380. Its totient is φ = 29126700288.

The previous prime is 29130572791. The next prime is 29130572837. The reversal of 29130572833 is 33827503192.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22300046224 + 6830526609 = 149332^2 + 82647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29130572833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29130572833.

It is not an unprimeable number, because it can be changed into a prime (29130572837) 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, 1924968 + ... + 1940041.

It is an arithmetic number, because the mean of its divisors is an integer number (7283611345).

Almost surely, 2^29130572833 is an apocalyptic number.

It is an amenable number.

29130572833 is a deficient number, since it is larger than the sum of its proper divisors (3872547).

29130572833 is an equidigital number, since it uses as much as digits as its factorization.

29130572833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872546.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 29130572833 in words is "twenty-nine billion, one hundred thirty million, five hundred seventy-two thousand, eight hundred thirty-three".