3985047049 has 2 divisors, whose sum is σ = 3985047050. Its totient is φ = 3985047048.

The previous prime is 3985047013. The next prime is 3985047067. The reversal of 3985047049 is 9407405893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3943212025 + 41835024 = 62795^2 + 6468^2 .

It is a cyclic number.

It is not a de Polignac number, because 3985047049 - 2¹⁵ = 3985014281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3985046993 and 3985047011.

It is not a weakly prime, because it can be changed into another prime (3985047349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992523524 + 1992523525.

It is an arithmetic number, because the mean of its divisors is an integer number (1992523525).

Almost surely, 2^3985047049 is an apocalyptic number.

It is an amenable number.

3985047049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985047049 is an equidigital number, since it uses as much as digits as its factorization.

3985047049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3985047049 is about 63127.2290616339. The cubic root of 3985047049 is about 1585.4205545452.

The spelling of 3985047049 in words is "three billion, nine hundred eighty-five million, forty-seven thousand, forty-nine".