2728274842 has 4 divisors (see below), whose sum is σ = 4092412266. Its totient is φ = 1364137420.

The previous prime is 2728274821. The next prime is 2728274851. The reversal of 2728274842 is 2484728272.

2728274842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2609268561 + 119006281 = 51081^2 + 10909^2 .

It is a super-2 number, since 2×2728274842² = 14886967226980249928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2728274792 and 2728274801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682068709 + ... + 682068712.

Almost surely, 2^2728274842 is an apocalyptic number.

2728274842 is a deficient number, since it is larger than the sum of its proper divisors (1364137424).

2728274842 is a wasteful number, since it uses less digits than its factorization.

2728274842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364137423.

The product of its digits is 802816, while the sum is 46.

The square root of 2728274842 is about 52232.8904235636. The cubic root of 2728274842 is about 1397.3205284102.

The spelling of 2728274842 in words is "two billion, seven hundred twenty-eight million, two hundred seventy-four thousand, eight hundred forty-two".