29031430819 has 4 divisors (see below), whose sum is σ = 29031994080. Its totient is φ = 29030867560.

The previous prime is 29031430811. The next prime is 29031430843. The reversal of 29031430819 is 91803413092.

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 29031430819 - 2³ = 29031430811 is a prime.

It is a super-2 number, since 2×29031430819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29031430811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195547 + ... + 310324.

It is an arithmetic number, because the mean of its divisors is an integer number (7257998520).

Almost surely, 2^29031430819 is an apocalyptic number.

29031430819 is a deficient number, since it is larger than the sum of its proper divisors (563261).

29031430819 is an equidigital number, since it uses as much as digits as its factorization.

29031430819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563260.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 29031430819 in words is "twenty-nine billion, thirty-one million, four hundred thirty thousand, eight hundred nineteen".