38481099617 has 2 divisors, whose sum is σ = 38481099618. Its totient is φ = 38481099616.

The previous prime is 38481099541. The next prime is 38481099637. The reversal of 38481099617 is 71699018483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36615205201 + 1865894416 = 191351^2 + 43196^2 .

It is a cyclic number.

It is not a de Polignac number, because 38481099617 - 2²⁰ = 38480051041 is a prime.

It is not a weakly prime, because it can be changed into another prime (38481099637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19240549808 + 19240549809.

It is an arithmetic number, because the mean of its divisors is an integer number (19240549809).

Almost surely, 2^38481099617 is an apocalyptic number.

It is an amenable number.

38481099617 is a deficient number, since it is larger than the sum of its proper divisors (1).

38481099617 is an equidigital number, since it uses as much as digits as its factorization.

38481099617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 38481099617 in words is "thirty-eight billion, four hundred eighty-one million, ninety-nine thousand, six hundred seventeen".