2742220789 has 8 divisors (see below), whose sum is σ = 3418872768. Its totient is φ = 2136795360.

The previous prime is 2742220783. The next prime is 2742220813. The reversal of 2742220789 is 9870222472.

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

It is not a de Polignac number, because 2742220789 - 2⁵ = 2742220757 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 (2742220783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17806552 + ... + 17806705.

It is an arithmetic number, because the mean of its divisors is an integer number (427359096).

Almost surely, 2^2742220789 is an apocalyptic number.

It is an amenable number.

2742220789 is a deficient number, since it is larger than the sum of its proper divisors (676651979).

2742220789 is a wasteful number, since it uses less digits than its factorization.

2742220789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35613275.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2742220789 is about 52366.2180131428. The cubic root of 2742220789 is about 1399.6973476725.

The spelling of 2742220789 in words is "two billion, seven hundred forty-two million, two hundred twenty thousand, seven hundred eighty-nine".