2742241636 has 12 divisors (see below), whose sum is σ = 4818837100. Its totient is φ = 1365431040.

The previous prime is 2742241609. The next prime is 2742241669. The reversal of 2742241636 is 6361422472.

It can be written as a sum of positive squares in 2 ways, for example, as 793548900 + 1948692736 = 28170^2 + 44144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2742241595 and 2742241604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421361 + ... + 1423288.

Almost surely, 2^2742241636 is an apocalyptic number.

It is an amenable number.

2742241636 is a deficient number, since it is larger than the sum of its proper divisors (2076595464).

2742241636 is a wasteful number, since it uses less digits than its factorization.

2742241636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844894 (or 2844892 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 2742241636 is about 52366.4170628467. The cubic root of 2742241636 is about 1399.7008946051.

The spelling of 2742241636 in words is "two billion, seven hundred forty-two million, two hundred forty-one thousand, six hundred thirty-six".