1038395797633 has 2 divisors, whose sum is σ = 1038395797634. Its totient is φ = 1038395797632.

The previous prime is 1038395797627. The next prime is 1038395797687. The reversal of 1038395797633 is 3367975938301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 787812457744 + 250583339889 = 887588^2 + 500583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038395797633 - 2²⁹ = 1037858926721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1038395797613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519197898816 + 519197898817.

It is an arithmetic number, because the mean of its divisors is an integer number (519197898817).

Almost surely, 2^{1038395797633} is an apocalyptic number.

It is an amenable number.

1038395797633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038395797633 is an equidigital number, since it uses as much as digits as its factorization.

1038395797633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 1038395797633 in words is "one trillion, thirty-eight billion, three hundred ninety-five million, seven hundred ninety-seven thousand, six hundred thirty-three".