39006848557 has 2 divisors, whose sum is σ = 39006848558. Its totient is φ = 39006848556.

The previous prime is 39006848537. The next prime is 39006848579. The reversal of 39006848557 is 75584860093.

39006848557 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., 20957194756 + 18049653801 = 144766^2 + 134349^2 .

It is a cyclic number.

It is not a de Polignac number, because 39006848557 - 2⁷ = 39006848429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39006848498 and 39006848507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39006848537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19503424278 + 19503424279.

It is an arithmetic number, because the mean of its divisors is an integer number (19503424279).

Almost surely, 2^39006848557 is an apocalyptic number.

It is an amenable number.

39006848557 is a deficient number, since it is larger than the sum of its proper divisors (1).

39006848557 is an equidigital number, since it uses as much as digits as its factorization.

39006848557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 39006848557 in words is "thirty-nine billion, six million, eight hundred forty-eight thousand, five hundred fifty-seven".