3899638097 has 2 divisors, whose sum is σ = 3899638098. Its totient is φ = 3899638096.

The previous prime is 3899638037. The next prime is 3899638103. The reversal of 3899638097 is 7908369983.

3899638097 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3432905281 + 466732816 = 58591^2 + 21604^2 .

It is a cyclic number.

It is not a de Polignac number, because 3899638097 - 2¹⁰ = 3899637073 is a prime.

It is not a weakly prime, because it can be changed into another prime (3899638037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949819048 + 1949819049.

It is an arithmetic number, because the mean of its divisors is an integer number (1949819049).

Almost surely, 2^3899638097 is an apocalyptic number.

It is an amenable number.

3899638097 is a deficient number, since it is larger than the sum of its proper divisors (1).

3899638097 is an equidigital number, since it uses as much as digits as its factorization.

3899638097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The square root of 3899638097 is about 62447.0823737987. The cubic root of 3899638097 is about 1574.0122264614.

The spelling of 3899638097 in words is "three billion, eight hundred ninety-nine million, six hundred thirty-eight thousand, ninety-seven".