4012237897 has 2 divisors, whose sum is σ = 4012237898. Its totient is φ = 4012237896.

The previous prime is 4012237843. The next prime is 4012237907. The reversal of 4012237897 is 7987322104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3821217856 + 191020041 = 61816^2 + 13821^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012237897 - 2¹¹ = 4012235849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4012237597) 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, 2006118948 + 2006118949.

It is an arithmetic number, because the mean of its divisors is an integer number (2006118949).

Almost surely, 2^4012237897 is an apocalyptic number.

It is an amenable number.

4012237897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012237897 is an equidigital number, since it uses as much as digits as its factorization.

4012237897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 4012237897 is about 63342.2283867563. The cubic root of 4012237897 is about 1589.0182746850.

The spelling of 4012237897 in words is "four billion, twelve million, two hundred thirty-seven thousand, eight hundred ninety-seven".