3960495961 has 2 divisors, whose sum is σ = 3960495962. Its totient is φ = 3960495960.

The previous prime is 3960495949. The next prime is 3960496039. The reversal of 3960495961 is 1695940693.

3960495961 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 can be written as a sum of positive squares in only one way, i.e., 3885153561 + 75342400 = 62331^2 + 8680^2 .

It is a cyclic number.

It is not a de Polignac number, because 3960495961 - 2¹¹ = 3960493913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3960495899 and 3960495908.

It is not a weakly prime, because it can be changed into another prime (3960495911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980247980 + 1980247981.

It is an arithmetic number, because the mean of its divisors is an integer number (1980247981).

Almost surely, 2^3960495961 is an apocalyptic number.

It is an amenable number.

3960495961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960495961 is an equidigital number, since it uses as much as digits as its factorization.

3960495961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 3960495961 is about 62932.4714356587. The cubic root of 3960495961 is about 1582.1580244140.

The spelling of 3960495961 in words is "three billion, nine hundred sixty million, four hundred ninety-five thousand, nine hundred sixty-one".