2772838641 has 4 divisors (see below), whose sum is σ = 3697118192. Its totient is φ = 1848559092.

The previous prime is 2772838639. The next prime is 2772838657. The reversal of 2772838641 is 1468382772.

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 not a de Polignac number, because 2772838641 - 2¹ = 2772838639 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2772831641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462139771 + ... + 462139776.

It is an arithmetic number, because the mean of its divisors is an integer number (924279548).

Almost surely, 2^2772838641 is an apocalyptic number.

It is an amenable number.

2772838641 is a deficient number, since it is larger than the sum of its proper divisors (924279551).

2772838641 is an equidigital number, since it uses as much as digits as its factorization.

2772838641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924279550.

The product of its digits is 903168, while the sum is 48.

The square root of 2772838641 is about 52657.7500563782. The cubic root of 2772838641 is about 1404.8874486741.

The spelling of 2772838641 in words is "two billion, seven hundred seventy-two million, eight hundred thirty-eight thousand, six hundred forty-one".