10640429 has 2 divisors, whose sum is σ = 10640430. Its totient is φ = 10640428.

The previous prime is 10640387. The next prime is 10640449. The reversal of 10640429 is 92404601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5396329 + 5244100 = 2323^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 10640429 - 2⁸ = 10640173 is a prime.

It is a super-2 number, since 2×10640429² = 226437458608082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10640398 and 10640407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10640449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320214 + 5320215.

It is an arithmetic number, because the mean of its divisors is an integer number (5320215).

Almost surely, 2^10640429 is an apocalyptic number.

It is an amenable number.

10640429 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640429 is an equidigital number, since it uses as much as digits as its factorization.

10640429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10640429 is about 3261.9670445913. The cubic root of 10640429 is about 219.9478457638.

The spelling of 10640429 in words is "ten million, six hundred forty thousand, four hundred twenty-nine".