1963213696593 has 12 divisors (see below), whose sum is σ = 2835992959488. Its totient is φ = 1308698434680.

The previous prime is 1963213696583. The next prime is 1963213696621. The reversal of 1963213696593 is 3956963123691.

It is a happy number.

1963213696593 is a `hidden beast` number, since 1 + 9 + 6 + 3 + 2 + 1 + 36 + 9 + 6 + 593 = 666.

It is not a de Polignac number, because 1963213696593 - 2⁸ = 1963213696337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1963213696593.

It is not an unprimeable number, because it can be changed into a prime (1963213696513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9112305 + ... + 9325262.

It is an arithmetic number, because the mean of its divisors is an integer number (236332746624).

Almost surely, 2^{1963213696593} is an apocalyptic number.

It is an amenable number.

1963213696593 is a deficient number, since it is larger than the sum of its proper divisors (872779262895).

1963213696593 is a wasteful number, since it uses less digits than its factorization.

1963213696593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18449404 (or 18449401 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 63.

The spelling of 1963213696593 in words is "one trillion, nine hundred sixty-three billion, two hundred thirteen million, six hundred ninety-six thousand, five hundred ninety-three".