2718023741449 has 9 divisors (see below), whose sum is σ = 2887342190247. Its totient is φ = 2558113613664.

The previous prime is 2718023741441. The next prime is 2718023741491. The reversal of 2718023741449 is 9441473208172.

It is a happy number.

The square root of 2718023741449 is 1648643.

It is a perfect power (a square), and thus also a powerful number.

2718023741449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2116108449225 + 601915292224 = 1454685^2 + 775832^2 .

It is not a de Polignac number, because 2718023741449 - 2³ = 2718023741441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2718023741396 and 2718023741405.

It is not an unprimeable number, because it can be changed into a prime (2718023741441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27978442 + ... + 28075420.

Almost surely, 2^{2718023741449} is an apocalyptic number.

2718023741449 is the 1648643-rd square number.

2718023741449 is the 824322-nd centered octagonal number.

It is an amenable number.

2718023741449 is a deficient number, since it is larger than the sum of its proper divisors (169318448798).

2718023741449 is an frugal number, since it uses more digits than its factorization.

2718023741449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193992 (or 96996 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 2718023741449 in words is "two trillion, seven hundred eighteen billion, twenty-three million, seven hundred forty-one thousand, four hundred forty-nine".