438307614769 has 2 divisors, whose sum is σ = 438307614770. Its totient is φ = 438307614768.

The previous prime is 438307614683. The next prime is 438307614793. The reversal of 438307614769 is 967416703834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343513210000 + 94794404769 = 586100^2 + 307887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438307614769 is a prime.

It is a super-2 number, since 2×438307614769² (a number of 24 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (438307684769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219153807384 + 219153807385.

It is an arithmetic number, because the mean of its divisors is an integer number (219153807385).

Almost surely, 2^438307614769 is an apocalyptic number.

It is an amenable number.

438307614769 is a deficient number, since it is larger than the sum of its proper divisors (1).

438307614769 is an equidigital number, since it uses as much as digits as its factorization.

438307614769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 438307614769 in words is "four hundred thirty-eight billion, three hundred seven million, six hundred fourteen thousand, seven hundred sixty-nine".