29223542189 has 4 divisors (see below), whose sum is σ = 29236596480. Its totient is φ = 29210487900.

The previous prime is 29223542149. The next prime is 29223542209. The reversal of 29223542189 is 98124532292.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29223542189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29223542149) 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, 6523787 + ... + 6528264.

It is an arithmetic number, because the mean of its divisors is an integer number (7309149120).

Almost surely, 2^29223542189 is an apocalyptic number.

It is an amenable number.

29223542189 is a deficient number, since it is larger than the sum of its proper divisors (13054291).

29223542189 is a wasteful number, since it uses less digits than its factorization.

29223542189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054290.

The product of its digits is 622080, while the sum is 47.

The spelling of 29223542189 in words is "twenty-nine billion, two hundred twenty-three million, five hundred forty-two thousand, one hundred eighty-nine".