2774365749 has 24 divisors (see below), whose sum is σ = 4158816480. Its totient is φ = 1848252816.

The previous prime is 2774365747. The next prime is 2774365751. The reversal of 2774365749 is 9475634772.

2774365749 is a `hidden beast` number, since 27 + 7 + 43 + 6 + 574 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (2774365747) and next prime (2774365751).

It is not a de Polignac number, because 2774365749 - 2¹ = 2774365747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2774365695 and 2774365704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774365747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431047 + ... + 437435.

It is an arithmetic number, because the mean of its divisors is an integer number (173284020).

Almost surely, 2^2774365749 is an apocalyptic number.

It is an amenable number.

2774365749 is a deficient number, since it is larger than the sum of its proper divisors (1384450731).

2774365749 is an equidigital number, since it uses as much as digits as its factorization.

2774365749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191 (or 8179 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The square root of 2774365749 is about 52672.2483761610. The cubic root of 2774365749 is about 1405.1453097094.

The spelling of 2774365749 in words is "two billion, seven hundred seventy-four million, three hundred sixty-five thousand, seven hundred forty-nine".