10581638443 has 2 divisors, whose sum is σ = 10581638444. Its totient is φ = 10581638442.

The previous prime is 10581638437. The next prime is 10581638449. The reversal of 10581638443 is 34483618501.

It is a balanced prime because it is at equal distance from previous prime (10581638437) and next prime (10581638449).

It is a cyclic number.

It is not a de Polignac number, because 10581638443 - 2⁵ = 10581638411 is a prime.

It is a super-2 number, since 2×10581638443² (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 10581638443.

It is not a weakly prime, because it can be changed into another prime (10581638449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5290819221 + 5290819222.

It is an arithmetic number, because the mean of its divisors is an integer number (5290819222).

Almost surely, 2^10581638443 is an apocalyptic number.

10581638443 is a deficient number, since it is larger than the sum of its proper divisors (1).

10581638443 is an equidigital number, since it uses as much as digits as its factorization.

10581638443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 10581638443 in words is "ten billion, five hundred eighty-one million, six hundred thirty-eight thousand, four hundred forty-three".