38948747899 has 2 divisors, whose sum is σ = 38948747900. Its totient is φ = 38948747898.

The previous prime is 38948747891. The next prime is 38948747911. The reversal of 38948747899 is 99874784983.

38948747899 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 is a cyclic number.

It is not a de Polignac number, because 38948747899 - 2³ = 38948747891 is a prime.

It is not a weakly prime, because it can be changed into another prime (38948747891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19474373949 + 19474373950.

It is an arithmetic number, because the mean of its divisors is an integer number (19474373950).

Almost surely, 2^38948747899 is an apocalyptic number.

38948747899 is a deficient number, since it is larger than the sum of its proper divisors (1).

38948747899 is an equidigital number, since it uses as much as digits as its factorization.

38948747899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 877879296, while the sum is 76.

The spelling of 38948747899 in words is "thirty-eight billion, nine hundred forty-eight million, seven hundred forty-seven thousand, eight hundred ninety-nine".