38928384049 has 2 divisors, whose sum is σ = 38928384050. Its totient is φ = 38928384048.

The previous prime is 38928384017. The next prime is 38928384067. The reversal of 38928384049 is 94048382983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32953867024 + 5974517025 = 181532^2 + 77295^2 .

It is a cyclic number.

It is not a de Polignac number, because 38928384049 - 2⁵ = 38928384017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38928383984 and 38928384002.

It is not a weakly prime, because it can be changed into another prime (38928384149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19464192024 + 19464192025.

It is an arithmetic number, because the mean of its divisors is an integer number (19464192025).

Almost surely, 2^38928384049 is an apocalyptic number.

It is an amenable number.

38928384049 is a deficient number, since it is larger than the sum of its proper divisors (1).

38928384049 is an equidigital number, since it uses as much as digits as its factorization.

38928384049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 38928384049 in words is "thirty-eight billion, nine hundred twenty-eight million, three hundred eighty-four thousand, forty-nine".