2774374657 has 4 divisors (see below), whose sum is σ = 2783412016. Its totient is φ = 2765337300.

The previous prime is 2774374651. The next prime is 2774374679. The reversal of 2774374657 is 7564734772.

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 a de Polignac number, because none of the positive numbers 2^k-2774374657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2774374651) 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, 4518219 + ... + 4518832.

It is an arithmetic number, because the mean of its divisors is an integer number (695853004).

Almost surely, 2^2774374657 is an apocalyptic number.

It is an amenable number.

2774374657 is a deficient number, since it is larger than the sum of its proper divisors (9037359).

2774374657 is an equidigital number, since it uses as much as digits as its factorization.

2774374657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037358.

The product of its digits is 6914880, while the sum is 52.

The square root of 2774374657 is about 52672.3329367515. The cubic root of 2774374657 is about 1405.1468135992.

It can be divided in two parts, 27743 and 74657, that added together give a square (102400 = 320²).

The spelling of 2774374657 in words is "two billion, seven hundred seventy-four million, three hundred seventy-four thousand, six hundred fifty-seven".