2774012391 has 6 divisors (see below), whose sum is σ = 4006906800. Its totient is φ = 1849341588.

The previous prime is 2774012389. The next prime is 2774012419. The reversal of 2774012391 is 1932104772.

It is not a de Polignac number, because 2774012391 - 2¹ = 2774012389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774012321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154111791 + ... + 154111808.

It is an arithmetic number, because the mean of its divisors is an integer number (667817800).

Almost surely, 2^2774012391 is an apocalyptic number.

2774012391 is a deficient number, since it is larger than the sum of its proper divisors (1232894409).

2774012391 is a wasteful number, since it uses less digits than its factorization.

2774012391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308223605 (or 308223602 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2774012391 is about 52668.8939602874. The cubic root of 2774012391 is about 1405.0856515794.

The spelling of 2774012391 in words is "two billion, seven hundred seventy-four million, twelve thousand, three hundred ninety-one".