2438196997 has 2 divisors, whose sum is σ = 2438196998. Its totient is φ = 2438196996.

The previous prime is 2438196977. The next prime is 2438197009. The reversal of 2438196997 is 7996918342.

2438196997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2064702721 + 373494276 = 45439^2 + 19326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2438196997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2438196977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219098498 + 1219098499.

It is an arithmetic number, because the mean of its divisors is an integer number (1219098499).

Almost surely, 2^2438196997 is an apocalyptic number.

It is an amenable number.

2438196997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438196997 is an equidigital number, since it uses as much as digits as its factorization.

2438196997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 58.

The square root of 2438196997 is about 49378.1024037984. The cubic root of 2438196997 is about 1345.9314171403.

The spelling of 2438196997 in words is "two billion, four hundred thirty-eight million, one hundred ninety-six thousand, nine hundred ninety-seven".