38683475969 has 2 divisors, whose sum is σ = 38683475970. Its totient is φ = 38683475968.

The previous prime is 38683475947. The next prime is 38683475981. The reversal of 38683475969 is 96957438683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33228914944 + 5454561025 = 182288^2 + 73855^2 .

It is a cyclic number.

It is not a de Polignac number, because 38683475969 - 2¹² = 38683471873 is a prime.

It is a super-2 number, since 2×38683475969² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38683475899 and 38683475908.

It is not a weakly prime, because it can be changed into another prime (38683475939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19341737984 + 19341737985.

It is an arithmetic number, because the mean of its divisors is an integer number (19341737985).

Almost surely, 2^38683475969 is an apocalyptic number.

It is an amenable number.

38683475969 is a deficient number, since it is larger than the sum of its proper divisors (1).

38683475969 is an equidigital number, since it uses as much as digits as its factorization.

38683475969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 68.

The spelling of 38683475969 in words is "thirty-eight billion, six hundred eighty-three million, four hundred seventy-five thousand, nine hundred sixty-nine".