2729220923 has 8 divisors (see below), whose sum is σ = 3206357616. Its totient is φ = 2290255200.

The previous prime is 2729220911. The next prime is 2729221013. The reversal of 2729220923 is 3290229272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2729220923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2729225923) 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 7 ways as a sum of consecutive naturals, for example, 9542588 + ... + 9542873.

It is an arithmetic number, because the mean of its divisors is an integer number (400794702).

Almost surely, 2^2729220923 is an apocalyptic number.

2729220923 is a deficient number, since it is larger than the sum of its proper divisors (477136693).

2729220923 is a wasteful number, since it uses less digits than its factorization.

2729220923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085485.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 2729220923 is about 52241.9460108446. The cubic root of 2729220923 is about 1397.4820255346.

The spelling of 2729220923 in words is "two billion, seven hundred twenty-nine million, two hundred twenty thousand, nine hundred twenty-three".