1062666643 has 2 divisors, whose sum is σ = 1062666644. Its totient is φ = 1062666642.

The previous prime is 1062666623. The next prime is 1062666707. The reversal of 1062666643 is 3466662601.

It is a weak prime.

It is an emirp because it is prime and its reverse (3466662601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1062666643 - 2⁹ = 1062666131 is a prime.

It is a super-2 number, since 2×1062666643² = 2258520788289778898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1062666596 and 1062666605.

It is not a weakly prime, because it can be changed into another prime (1062666623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531333321 + 531333322.

It is an arithmetic number, because the mean of its divisors is an integer number (531333322).

Almost surely, 2^1062666643 is an apocalyptic number.

1062666643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1062666643 is an equidigital number, since it uses as much as digits as its factorization.

1062666643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 1062666643 is about 32598.5681127254. The cubic root of 1062666643 is about 1020.4671200828.

The spelling of 1062666643 in words is "one billion, sixty-two million, six hundred sixty-six thousand, six hundred forty-three".