4891634757473 has 2 divisors, whose sum is σ = 4891634757474. Its totient is φ = 4891634757472.

The previous prime is 4891634757437. The next prime is 4891634757479. The reversal of 4891634757473 is 3747574361984.

Together with previous prime (4891634757437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4819921666624 + 71713090849 = 2195432^2 + 267793^2 .

It is a cyclic number.

It is not a de Polignac number, because 4891634757473 - 2⁴² = 493588246369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4891634757479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445817378736 + 2445817378737.

It is an arithmetic number, because the mean of its divisors is an integer number (2445817378737).

Almost surely, 2^{4891634757473} is an apocalyptic number.

It is an amenable number.

4891634757473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891634757473 is an equidigital number, since it uses as much as digits as its factorization.

4891634757473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 426746880, while the sum is 68.

The spelling of 4891634757473 in words is "four trillion, eight hundred ninety-one billion, six hundred thirty-four million, seven hundred fifty-seven thousand, four hundred seventy-three".