4249845773 has 2 divisors, whose sum is σ = 4249845774. Its totient is φ = 4249845772.

The previous prime is 4249845751. The next prime is 4249845779. The reversal of 4249845773 is 3775489424.

It is a happy number.

4249845773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3082803529 + 1167042244 = 55523^2 + 34162^2 .

It is a cyclic number.

It is not a de Polignac number, because 4249845773 - 2⁶ = 4249845709 is a prime.

It is a super-2 number, since 2×4249845773² = 36122378188571935058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4249845779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124922886 + 2124922887.

It is an arithmetic number, because the mean of its divisors is an integer number (2124922887).

Almost surely, 2^4249845773 is an apocalyptic number.

It is an amenable number.

4249845773 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249845773 is an equidigital number, since it uses as much as digits as its factorization.

4249845773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 53.

The square root of 4249845773 is about 65190.8411742018. The cubic root of 4249845773 is about 1619.7863068484.

The spelling of 4249845773 in words is "four billion, two hundred forty-nine million, eight hundred forty-five thousand, seven hundred seventy-three".