2773746461 has 4 divisors (see below), whose sum is σ = 2774014524. Its totient is φ = 2773478400.

The previous prime is 2773746449. The next prime is 2773746463. The reversal of 2773746461 is 1646473772.

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

It can be written as a sum of positive squares in 2 ways, for example, as 493683961 + 2280062500 = 22219^2 + 47750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773746461 - 2¹⁰ = 2773745437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773746463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117860 + ... + 139421.

It is an arithmetic number, because the mean of its divisors is an integer number (693503631).

Almost surely, 2^2773746461 is an apocalyptic number.

It is an amenable number.

2773746461 is a deficient number, since it is larger than the sum of its proper divisors (268063).

2773746461 is a wasteful number, since it uses less digits than its factorization.

2773746461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268062.

The product of its digits is 1185408, while the sum is 47.

The square root of 2773746461 is about 52666.3693546460. The cubic root of 2773746461 is about 1405.0407507504.

The spelling of 2773746461 in words is "two billion, seven hundred seventy-three million, seven hundred forty-six thousand, four hundred sixty-one".