2794938645249 has 9 divisors (see below), whose sum is σ = 4037140843203. Its totient is φ = 1863289086552.

The previous prime is 2794938645241. The next prime is 2794938645253. The reversal of 2794938645249 is 9425468394972.

The square root of 2794938645249 is 1671807.

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

2794938645249 is a `hidden beast` number, since 2 + 7 + 9 + 4 + 9 + 38 + 64 + 524 + 9 = 666.

2794938645249 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., 917106929649 + 1877831715600 = 957657^2 + 1370340^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2794938645249 - 2³ = 2794938645241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2794938645241) 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, 4736787 + ... + 5294055.

Almost surely, 2^{2794938645249} is an apocalyptic number.

2794938645249 is the 1671807-th square number.

2794938645249 is the 835904-th centered octagonal number.

It is an amenable number.

2794938645249 is a deficient number, since it is larger than the sum of its proper divisors (1242202197954).

2794938645249 is an frugal number, since it uses more digits than its factorization.

2794938645249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114544 (or 557272 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 2794938645249 in words is "two trillion, seven hundred ninety-four billion, nine hundred thirty-eight million, six hundred forty-five thousand, two hundred forty-nine".