29273240189 has 4 divisors (see below), whose sum is σ = 29283244224. Its totient is φ = 29263236156.

The previous prime is 29273240153. The next prime is 29273240197. The reversal of 29273240189 is 98104237292.

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-29273240189 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 (29273240119) 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, 4997627 + ... + 5003480.

It is an arithmetic number, because the mean of its divisors is an integer number (7320811056).

Almost surely, 2^29273240189 is an apocalyptic number.

It is an amenable number.

29273240189 is a deficient number, since it is larger than the sum of its proper divisors (10004035).

29273240189 is a wasteful number, since it uses less digits than its factorization.

29273240189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004034.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 29273240189 in words is "twenty-nine billion, two hundred seventy-three million, two hundred forty thousand, one hundred eighty-nine".