2056714391 has 2 divisors, whose sum is σ = 2056714392. Its totient is φ = 2056714390.

The previous prime is 2056714273. The next prime is 2056714421. The reversal of 2056714391 is 1934176502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056714391 - 2¹⁰ = 2056713367 is a prime.

It is a super-2 number, since 2×2056714391² = 8460148172293001762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056714591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028357195 + 1028357196.

It is an arithmetic number, because the mean of its divisors is an integer number (1028357196).

Almost surely, 2^2056714391 is an apocalyptic number.

2056714391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056714391 is an equidigital number, since it uses as much as digits as its factorization.

2056714391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2056714391 is about 45351.0131198852. The cubic root of 2056714391 is about 1271.7194951182.

The spelling of 2056714391 in words is "two billion, fifty-six million, seven hundred fourteen thousand, three hundred ninety-one".