10638769 has 2 divisors, whose sum is σ = 10638770. Its totient is φ = 10638768.

The previous prime is 10638763. The next prime is 10638773. The reversal of 10638769 is 96783601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 238144 = 3225^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 10638769 - 2¹⁷ = 10507697 is a prime.

It is a super-2 number, since 2×10638769² = 226366811670722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10638763) 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, 5319384 + 5319385.

It is an arithmetic number, because the mean of its divisors is an integer number (5319385).

Almost surely, 2^10638769 is an apocalyptic number.

It is an amenable number.

10638769 is a deficient number, since it is larger than the sum of its proper divisors (1).

10638769 is an equidigital number, since it uses as much as digits as its factorization.

10638769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 10638769 is about 3261.7125869702. The cubic root of 10638769 is about 219.9364072396.

The spelling of 10638769 in words is "ten million, six hundred thirty-eight thousand, seven hundred sixty-nine".