3889150561 has 2 divisors, whose sum is σ = 3889150562. Its totient is φ = 3889150560.

The previous prime is 3889150471. The next prime is 3889150583. The reversal of 3889150561 is 1650519883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3816150625 + 72999936 = 61775^2 + 8544^2 .

It is a cyclic number.

It is not a de Polignac number, because 3889150561 - 2²¹ = 3887053409 is a prime.

It is a super-2 number, since 2×3889150561² = 30250984172253229442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3889150861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944575280 + 1944575281.

It is an arithmetic number, because the mean of its divisors is an integer number (1944575281).

Almost surely, 2^3889150561 is an apocalyptic number.

It is an amenable number.

3889150561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889150561 is an equidigital number, since it uses as much as digits as its factorization.

3889150561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 3889150561 is about 62363.0544553424. The cubic root of 3889150561 is about 1572.5999304271.

The spelling of 3889150561 in words is "three billion, eight hundred eighty-nine million, one hundred fifty thousand, five hundred sixty-one".