38133298997 has 2 divisors, whose sum is σ = 38133298998. Its totient is φ = 38133298996.

The previous prime is 38133298993. The next prime is 38133299021. The reversal of 38133298997 is 79989233183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27753560836 + 10379738161 = 166594^2 + 101881^2 .

It is a cyclic number.

It is not a de Polignac number, because 38133298997 - 2² = 38133298993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38133298991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19066649498 + 19066649499.

It is an arithmetic number, because the mean of its divisors is an integer number (19066649499).

Almost surely, 2^38133298997 is an apocalyptic number.

It is an amenable number.

38133298997 is a deficient number, since it is larger than the sum of its proper divisors (1).

38133298997 is an equidigital number, since it uses as much as digits as its factorization.

38133298997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 62.

The spelling of 38133298997 in words is "thirty-eight billion, one hundred thirty-three million, two hundred ninety-eight thousand, nine hundred ninety-seven".