3997418497 has 2 divisors, whose sum is σ = 3997418498. Its totient is φ = 3997418496.

The previous prime is 3997418459. The next prime is 3997418549. The reversal of 3997418497 is 7948147993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3853802241 + 143616256 = 62079^2 + 11984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997418497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3997488497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998709248 + 1998709249.

It is an arithmetic number, because the mean of its divisors is an integer number (1998709249).

Almost surely, 2^3997418497 is an apocalyptic number.

It is an amenable number.

3997418497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3997418497 is an equidigital number, since it uses as much as digits as its factorization.

3997418497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 61.

The square root of 3997418497 is about 63225.1413363387. The cubic root of 3997418497 is about 1587.0594884306.

The spelling of 3997418497 in words is "three billion, nine hundred ninety-seven million, four hundred eighteen thousand, four hundred ninety-seven".