38892636855049 has 2 divisors, whose sum is σ = 38892636855050. Its totient is φ = 38892636855048.

The previous prime is 38892636855041. The next prime is 38892636855091. The reversal of 38892636855049 is 94055863629883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34578574926025 + 4314061929024 = 5880355^2 + 2077032^2 .

It is a cyclic number.

It is not a de Polignac number, because 38892636855049 - 2³ = 38892636855041 is a prime.

It is not a weakly prime, because it can be changed into another prime (38892636855041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19446318427524 + 19446318427525.

It is an arithmetic number, because the mean of its divisors is an integer number (19446318427525).

Almost surely, 2^{38892636855049} is an apocalyptic number.

It is an amenable number.

38892636855049 is a deficient number, since it is larger than the sum of its proper divisors (1).

38892636855049 is an equidigital number, since it uses as much as digits as its factorization.

38892636855049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2687385600, while the sum is 76.

The spelling of 38892636855049 in words is "thirty-eight trillion, eight hundred ninety-two billion, six hundred thirty-six million, eight hundred fifty-five thousand, forty-nine".