2772505493 has 4 divisors (see below), whose sum is σ = 2813886240. Its totient is φ = 2731124748.

The previous prime is 2772505481. The next prime is 2772505499. The reversal of 2772505493 is 3945052772.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2772505493 - 2¹⁸ = 2772243349 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 (2772505499) 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, 20690273 + ... + 20690406.

It is an arithmetic number, because the mean of its divisors is an integer number (703471560).

Almost surely, 2^2772505493 is an apocalyptic number.

It is an amenable number.

2772505493 is a deficient number, since it is larger than the sum of its proper divisors (41380747).

2772505493 is an equidigital number, since it uses as much as digits as its factorization.

2772505493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41380746.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 2772505493 is about 52654.5866283271. The cubic root of 2772505493 is about 1404.8311821244.

The spelling of 2772505493 in words is "two billion, seven hundred seventy-two million, five hundred five thousand, four hundred ninety-three".