2774013653 has 4 divisors (see below), whose sum is σ = 2790048588. Its totient is φ = 2757978720.

The previous prime is 2774013643. The next prime is 2774013701. The reversal of 2774013653 is 3563104772.

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 1703873284 + 1070140369 = 41278^2 + 32713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2774013653 - 2⁸ = 2774013397 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 (2774013643) 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, 8017208 + ... + 8017553.

It is an arithmetic number, because the mean of its divisors is an integer number (697512147).

Almost surely, 2^2774013653 is an apocalyptic number.

It is an amenable number.

2774013653 is a deficient number, since it is larger than the sum of its proper divisors (16034935).

2774013653 is a wasteful number, since it uses less digits than its factorization.

2774013653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16034934.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 2774013653 is about 52668.9059407920. The cubic root of 2774013653 is about 1405.0858646544.

The spelling of 2774013653 in words is "two billion, seven hundred seventy-four million, thirteen thousand, six hundred fifty-three".