38453249057 has 2 divisors, whose sum is σ = 38453249058. Its totient is φ = 38453249056.

The previous prime is 38453249017. The next prime is 38453249063. The reversal of 38453249057 is 75094235483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35790585856 + 2662663201 = 189184^2 + 51601^2 .

It is a cyclic number.

It is not a de Polignac number, because 38453249057 - 2¹⁰ = 38453248033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38453248996 and 38453249014.

It is not a weakly prime, because it can be changed into another prime (38453249017) 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, 19226624528 + 19226624529.

It is an arithmetic number, because the mean of its divisors is an integer number (19226624529).

Almost surely, 2^38453249057 is an apocalyptic number.

It is an amenable number.

38453249057 is a deficient number, since it is larger than the sum of its proper divisors (1).

38453249057 is an equidigital number, since it uses as much as digits as its factorization.

38453249057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 38453249057 in words is "thirty-eight billion, four hundred fifty-three million, two hundred forty-nine thousand, fifty-seven".