2774046397 has 2 divisors, whose sum is σ = 2774046398. Its totient is φ = 2774046396.

The previous prime is 2774046371. The next prime is 2774046409. The reversal of 2774046397 is 7936404772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2306016441 + 468029956 = 48021^2 + 21634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2774046397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2774046397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2774046337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387023198 + 1387023199.

It is an arithmetic number, because the mean of its divisors is an integer number (1387023199).

Almost surely, 2^2774046397 is an apocalyptic number.

It is an amenable number.

2774046397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774046397 is an equidigital number, since it uses as much as digits as its factorization.

2774046397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The square root of 2774046397 is about 52669.2167874177. The cubic root of 2774046397 is about 1405.0913931000.

The spelling of 2774046397 in words is "two billion, seven hundred seventy-four million, forty-six thousand, three hundred ninety-seven".