20140584791 has 2 divisors, whose sum is σ = 20140584792. Its totient is φ = 20140584790.

The previous prime is 20140584691. The next prime is 20140584817. The reversal of 20140584791 is 19748504102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20140584791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20140584391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070292395 + 10070292396.

It is an arithmetic number, because the mean of its divisors is an integer number (10070292396).

Almost surely, 2^20140584791 is an apocalyptic number.

20140584791 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140584791 is an equidigital number, since it uses as much as digits as its factorization.

20140584791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 20140584791 in words is "twenty billion, one hundred forty million, five hundred eighty-four thousand, seven hundred ninety-one".