4961445497 has 2 divisors, whose sum is σ = 4961445498. Its totient is φ = 4961445496.

The previous prime is 4961445493. The next prime is 4961445521. The reversal of 4961445497 is 7945441694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4932112441 + 29333056 = 70229^2 + 5416^2 .

It is a cyclic number.

It is not a de Polignac number, because 4961445497 - 2² = 4961445493 is a prime.

It is not a weakly prime, because it can be changed into another prime (4961445491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480722748 + 2480722749.

It is an arithmetic number, because the mean of its divisors is an integer number (2480722749).

Almost surely, 2^4961445497 is an apocalyptic number.

It is an amenable number.

4961445497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4961445497 is an equidigital number, since it uses as much as digits as its factorization.

4961445497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The square root of 4961445497 is about 70437.5290381484. The cubic root of 4961445497 is about 1705.5694496561.

The spelling of 4961445497 in words is "four billion, nine hundred sixty-one million, four hundred forty-five thousand, four hundred ninety-seven".