19933047583 has 2 divisors, whose sum is σ = 19933047584. Its totient is φ = 19933047582.

The previous prime is 19933047577. The next prime is 19933047599. The reversal of 19933047583 is 38574033991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19933047583 - 2²⁹ = 19396176671 is a prime.

It is a super-2 number, since 2×19933047583² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19933047583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19933017583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9966523791 + 9966523792.

It is an arithmetic number, because the mean of its divisors is an integer number (9966523792).

Almost surely, 2^19933047583 is an apocalyptic number.

19933047583 is a deficient number, since it is larger than the sum of its proper divisors (1).

19933047583 is an equidigital number, since it uses as much as digits as its factorization.

19933047583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 19933047583 in words is "nineteen billion, nine hundred thirty-three million, forty-seven thousand, five hundred eighty-three".