4945186065947 has 2 divisors, whose sum is σ = 4945186065948. Its totient is φ = 4945186065946.

The previous prime is 4945186065923. The next prime is 4945186065971. The reversal of 4945186065947 is 7495606815494.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (4945186065923) and next prime (4945186065971).

It is a cyclic number.

It is not a de Polignac number, because 4945186065947 - 2⁸ = 4945186065691 is a prime.

It is not a weakly prime, because it can be changed into another prime (4945186065917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472593032973 + 2472593032974.

It is an arithmetic number, because the mean of its divisors is an integer number (2472593032974).

Almost surely, 2^{4945186065947} is an apocalyptic number.

4945186065947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4945186065947 is an equidigital number, since it uses as much as digits as its factorization.

4945186065947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 4945186065947 in words is "four trillion, nine hundred forty-five billion, one hundred eighty-six million, sixty-five thousand, nine hundred forty-seven".