56586258138349 has 2 divisors, whose sum is σ = 56586258138350. Its totient is φ = 56586258138348.

The previous prime is 56586258138313. The next prime is 56586258138353. The reversal of 56586258138349 is 94383185268565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56110316825124 + 475941313225 = 7490682^2 + 689885^2 .

It is a cyclic number.

It is not a de Polignac number, because 56586258138349 - 2¹¹ = 56586258136301 is a prime.

It is a super-2 number, since 2×56586258138349² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56586258138359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28293129069174 + 28293129069175.

It is an arithmetic number, because the mean of its divisors is an integer number (28293129069175).

Almost surely, 2^{56586258138349} is an apocalyptic number.

It is an amenable number.

56586258138349 is a deficient number, since it is larger than the sum of its proper divisors (1).

56586258138349 is an equidigital number, since it uses as much as digits as its factorization.

56586258138349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992000, while the sum is 73.

The spelling of 56586258138349 in words is "fifty-six trillion, five hundred eighty-six billion, two hundred fifty-eight million, one hundred thirty-eight thousand, three hundred forty-nine".