29242421369 has 4 divisors (see below), whose sum is σ = 33419910144. Its totient is φ = 25064932596.

The previous prime is 29242421363. The next prime is 29242421387. The reversal of 29242421369 is 96312424292.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29242421369 is a prime.

It is a super-2 number, since 2×29242421369² (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 (29242421363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088744377 + ... + 2088744390.

It is an arithmetic number, because the mean of its divisors is an integer number (8354977536).

Almost surely, 2^29242421369 is an apocalyptic number.

It is an amenable number.

29242421369 is a deficient number, since it is larger than the sum of its proper divisors (4177488775).

29242421369 is an equidigital number, since it uses as much as digits as its factorization.

29242421369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177488774.

The product of its digits is 373248, while the sum is 44.

The spelling of 29242421369 in words is "twenty-nine billion, two hundred forty-two million, four hundred twenty-one thousand, three hundred sixty-nine".