2744494281 has 6 divisors (see below), whose sum is σ = 3964269530. Its totient is φ = 1829662848.

The previous prime is 2744494243. The next prime is 2744494301. The reversal of 2744494281 is 1824944472.

It can be written as a sum of positive squares in only one way, i.e., 2548634256 + 195860025 = 50484^2 + 13995^2 .

It is not a de Polignac number, because 2744494281 - 2⁶ = 2744494217 is a prime.

It is a super-2 number, since 2×2744494281² = 15064497716883413922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2744494211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152471896 + ... + 152471913.

Almost surely, 2^2744494281 is an apocalyptic number.

It is an amenable number.

2744494281 is a deficient number, since it is larger than the sum of its proper divisors (1219775249).

2744494281 is a wasteful number, since it uses less digits than its factorization.

2744494281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304943815 (or 304943812 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 2744494281 is about 52387.9211364605. The cubic root of 2744494281 is about 1400.0840563477.

It can be divided in two parts, 2744 and 494281, that added together give a square (497025 = 705²).

The spelling of 2744494281 in words is "two billion, seven hundred forty-four million, four hundred ninety-four thousand, two hundred eighty-one".