2765979445 has 4 divisors (see below), whose sum is σ = 3319175340. Its totient is φ = 2212783552.

The previous prime is 2765979439. The next prime is 2765979451. The reversal of 2765979445 is 5449795672.

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

It is an interprime number because it is at equal distance from previous prime (2765979439) and next prime (2765979451).

It can be written as a sum of positive squares in 2 ways, for example, as 1992193956 + 773785489 = 44634^2 + 27817^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765979445 - 2¹⁹ = 2765455157 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2765979445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276597940 + ... + 276597949.

It is an arithmetic number, because the mean of its divisors is an integer number (829793835).

Almost surely, 2^2765979445 is an apocalyptic number.

It is an amenable number.

2765979445 is a deficient number, since it is larger than the sum of its proper divisors (553195895).

2765979445 is an equidigital number, since it uses as much as digits as its factorization.

2765979445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553195894.

The product of its digits is 19051200, while the sum is 58.

The square root of 2765979445 is about 52592.5797522806. The cubic root of 2765979445 is about 1403.7280645631.

The spelling of 2765979445 in words is "two billion, seven hundred sixty-five million, nine hundred seventy-nine thousand, four hundred forty-five".