38486677769 has 2 divisors, whose sum is σ = 38486677770. Its totient is φ = 38486677768.

The previous prime is 38486677763. The next prime is 38486677793. The reversal of 38486677769 is 96777668483.

38486677769 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., 35123257744 + 3363420025 = 187412^2 + 57995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38486677769 is a prime.

It is a super-2 number, since 2×38486677769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38486677763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19243338884 + 19243338885.

It is an arithmetic number, because the mean of its divisors is an integer number (19243338885).

Almost surely, 2^38486677769 is an apocalyptic number.

It is an amenable number.

38486677769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38486677769 is an equidigital number, since it uses as much as digits as its factorization.

38486677769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512096256, while the sum is 71.

The spelling of 38486677769 in words is "thirty-eight billion, four hundred eighty-six million, six hundred seventy-seven thousand, seven hundred sixty-nine".