2751772085 has 4 divisors (see below), whose sum is σ = 3302126508. Its totient is φ = 2201417664.

The previous prime is 2751772021. The next prime is 2751772091. The reversal of 2751772085 is 5802771572.

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 1513365604 + 1238406481 = 38902^2 + 35191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751772085 - 2⁶ = 2751772021 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 275177204 + ... + 275177213.

It is an arithmetic number, because the mean of its divisors is an integer number (825531627).

Almost surely, 2^2751772085 is an apocalyptic number.

It is an amenable number.

2751772085 is a deficient number, since it is larger than the sum of its proper divisors (550354423).

2751772085 is an equidigital number, since it uses as much as digits as its factorization.

2751772085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550354422.

The product of its (nonzero) digits is 274400, while the sum is 44.

The square root of 2751772085 is about 52457.3358549593. The cubic root of 2751772085 is about 1401.3205371870.

The spelling of 2751772085 in words is "two billion, seven hundred fifty-one million, seven hundred seventy-two thousand, eighty-five".