2774268061 has 4 divisors (see below), whose sum is σ = 2774383612. Its totient is φ = 2774152512.

The previous prime is 2774268053. The next prime is 2774268067. The reversal of 2774268061 is 1608624772.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 786802500 + 1987465561 = 28050^2 + 44581^2 .

It is a cyclic number.

It is not a de Polignac number, because 2774268061 - 2³ = 2774268053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2774267999 and 2774268017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774268067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6726 + ... + 74791.

It is an arithmetic number, because the mean of its divisors is an integer number (693595903).

Almost surely, 2^2774268061 is an apocalyptic number.

It is an amenable number.

2774268061 is a deficient number, since it is larger than the sum of its proper divisors (115551).

2774268061 is an equidigital number, since it uses as much as digits as its factorization.

2774268061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115550.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2774268061 is about 52671.3210485554. The cubic root of 2774268061 is about 1405.1288173579.

The spelling of 2774268061 in words is "two billion, seven hundred seventy-four million, two hundred sixty-eight thousand, sixty-one".