10069681 has 2 divisors, whose sum is σ = 10069682. Its totient is φ = 10069680.

The previous prime is 10069679. The next prime is 10069687. The reversal of 10069681 is 18696001.

It is a happy number.

10069681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 1123600 = 2991^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 10069681 - 2¹ = 10069679 is a prime.

It is a super-2 number, since 2×10069681² = 202796950883522, which contains 22 as substring.

Together with 10069679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10069687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034840 + 5034841.

It is an arithmetic number, because the mean of its divisors is an integer number (5034841).

Almost surely, 2^10069681 is an apocalyptic number.

It is an amenable number.

10069681 is a deficient number, since it is larger than the sum of its proper divisors (1).

10069681 is an equidigital number, since it uses as much as digits as its factorization.

10069681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10069681 is about 3173.2760674105. The cubic root of 10069681 is about 215.9427217237.

The spelling of 10069681 in words is "ten million, sixty-nine thousand, six hundred eighty-one".