1933897438463 has 2 divisors, whose sum is σ = 1933897438464. Its totient is φ = 1933897438462.

The previous prime is 1933897438457. The next prime is 1933897438477. The reversal of 1933897438463 is 3648347983391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1933897438463 - 2¹⁸ = 1933897176319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1933897438393 and 1933897438402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1933897438663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966948719231 + 966948719232.

It is an arithmetic number, because the mean of its divisors is an integer number (966948719232).

Almost surely, 2^{1933897438463} is an apocalyptic number.

1933897438463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1933897438463 is an equidigital number, since it uses as much as digits as its factorization.

1933897438463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282175488, while the sum is 68.

The spelling of 1933897438463 in words is "one trillion, nine hundred thirty-three billion, eight hundred ninety-seven million, four hundred thirty-eight thousand, four hundred sixty-three".