38077463689 has 2 divisors, whose sum is σ = 38077463690. Its totient is φ = 38077463688.

The previous prime is 38077463663. The next prime is 38077463693. The reversal of 38077463689 is 98636477083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29885765625 + 8191698064 = 172875^2 + 90508^2 .

It is a cyclic number.

It is not a de Polignac number, because 38077463689 - 2⁷ = 38077463561 is a prime.

It is a super-2 number, since 2×38077463689² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38077463089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19038731844 + 19038731845.

It is an arithmetic number, because the mean of its divisors is an integer number (19038731845).

Almost surely, 2^38077463689 is an apocalyptic number.

It is an amenable number.

38077463689 is a deficient number, since it is larger than the sum of its proper divisors (1).

38077463689 is an equidigital number, since it uses as much as digits as its factorization.

38077463689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 38077463689 in words is "thirty-eight billion, seventy-seven million, four hundred sixty-three thousand, six hundred eighty-nine".