4020344137 has 2 divisors, whose sum is σ = 4020344138. Its totient is φ = 4020344136.

The previous prime is 4020344077. The next prime is 4020344143. The reversal of 4020344137 is 7314430204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3652510096 + 367834041 = 60436^2 + 19179^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020344137 - 2¹⁵ = 4020311369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020344177) 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, 2010172068 + 2010172069.

It is an arithmetic number, because the mean of its divisors is an integer number (2010172069).

Almost surely, 2^4020344137 is an apocalyptic number.

It is an amenable number.

4020344137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020344137 is an equidigital number, since it uses as much as digits as its factorization.

4020344137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 4020344137 is about 63406.1837441744. The cubic root of 4020344137 is about 1590.0876943576.

The spelling of 4020344137 in words is "four billion, twenty million, three hundred forty-four thousand, one hundred thirty-seven".