20586792349 has 2 divisors, whose sum is σ = 20586792350. Its totient is φ = 20586792348.

The previous prime is 20586792337. The next prime is 20586792377. The reversal of 20586792349 is 94329768502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15418188900 + 5168603449 = 124170^2 + 71893^2 .

It is a cyclic number.

It is not a de Polignac number, because 20586792349 - 2⁷ = 20586792221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20586792349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20586790349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10293396174 + 10293396175.

It is an arithmetic number, because the mean of its divisors is an integer number (10293396175).

Almost surely, 2^20586792349 is an apocalyptic number.

It is an amenable number.

20586792349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20586792349 is an equidigital number, since it uses as much as digits as its factorization.

20586792349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 20586792349 in words is "twenty billion, five hundred eighty-six million, seven hundred ninety-two thousand, three hundred forty-nine".