20583459179 has 2 divisors, whose sum is σ = 20583459180. Its totient is φ = 20583459178.

The previous prime is 20583459119. The next prime is 20583459187. The reversal of 20583459179 is 97195438502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20583459179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20583459179.

It is not a weakly prime, because it can be changed into another prime (20583459119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10291729589 + 10291729590.

It is an arithmetic number, because the mean of its divisors is an integer number (10291729590).

Almost surely, 2^20583459179 is an apocalyptic number.

20583459179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20583459179 is an equidigital number, since it uses as much as digits as its factorization.

20583459179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 20583459179 in words is "twenty billion, five hundred eighty-three million, four hundred fifty-nine thousand, one hundred seventy-nine".