65503769 has 2 divisors, whose sum is σ = 65503770. Its totient is φ = 65503768.

The previous prime is 65503723. The next prime is 65503783. The reversal of 65503769 is 96730556.

65503769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49182169 + 16321600 = 7013^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 65503769 - 2²⁴ = 48726553 is a prime.

It is a super-2 number, since 2×65503769² = 8581487506410722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3868619 and since 65503769 and 3868619 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65503709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32751884 + 32751885.

It is an arithmetic number, because the mean of its divisors is an integer number (32751885).

Almost surely, 2^65503769 is an apocalyptic number.

It is an amenable number.

65503769 is a deficient number, since it is larger than the sum of its proper divisors (1).

65503769 is an equidigital number, since it uses as much as digits as its factorization.

65503769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 65503769 is about 8093.4398743674. The cubic root of 65503769 is about 403.1086305394.

The spelling of 65503769 in words is "sixty-five million, five hundred three thousand, seven hundred sixty-nine".