29492439243 has 4 divisors (see below), whose sum is σ = 39323252328. Its totient is φ = 19661626160.

The previous prime is 29492439203. The next prime is 29492439259. The reversal of 29492439243 is 34293429492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29492439243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29492439203) 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, 4915406538 + ... + 4915406543.

It is an arithmetic number, because the mean of its divisors is an integer number (9830813082).

Almost surely, 2^29492439243 is an apocalyptic number.

29492439243 is a deficient number, since it is larger than the sum of its proper divisors (9830813085).

29492439243 is an equidigital number, since it uses as much as digits as its factorization.

29492439243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9830813084.

The product of its digits is 3359232, while the sum is 51.

The spelling of 29492439243 in words is "twenty-nine billion, four hundred ninety-two million, four hundred thirty-nine thousand, two hundred forty-three".