3898032161 has 2 divisors, whose sum is σ = 3898032162. Its totient is φ = 3898032160.

The previous prime is 3898032139. The next prime is 3898032179. The reversal of 3898032161 is 1612308983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3145078561 + 752953600 = 56081^2 + 27440^2 .

It is an emirp because it is prime and its reverse (1612308983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3898032161 - 2⁶ = 3898032097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3898032961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949016080 + 1949016081.

It is an arithmetic number, because the mean of its divisors is an integer number (1949016081).

Almost surely, 2^3898032161 is an apocalyptic number.

It is an amenable number.

3898032161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898032161 is an equidigital number, since it uses as much as digits as its factorization.

3898032161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3898032161 is about 62434.2226747479. Note that the first 3 decimals coincide. The cubic root of 3898032161 is about 1573.7961286333.

The spelling of 3898032161 in words is "three billion, eight hundred ninety-eight million, thirty-two thousand, one hundred sixty-one".