4961445493 has 2 divisors, whose sum is σ = 4961445494. Its totient is φ = 4961445492.

The previous prime is 4961445491. The next prime is 4961445497. The reversal of 4961445493 is 3945441694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3906625009 + 1054820484 = 62503^2 + 32478^2 .

It is a cyclic number.

It is not a de Polignac number, because 4961445493 - 2¹ = 4961445491 is a prime.

Together with 4961445491, it forms a pair of twin primes.

It is a congruent number.

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, 2480722746 + 2480722747.

It is an arithmetic number, because the mean of its divisors is an integer number (2480722747).

Almost surely, 2^4961445493 is an apocalyptic number.

It is an amenable number.

4961445493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4961445493 is an equidigital number, since it uses as much as digits as its factorization.

4961445493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 4961445493 is about 70437.5290097545. The cubic root of 4961445493 is about 1705.5694491977.

The spelling of 4961445493 in words is "four billion, nine hundred sixty-one million, four hundred forty-five thousand, four hundred ninety-three".