4243146773 has 4 divisors (see below), whose sum is σ = 4492743660. Its totient is φ = 3993549888.

The previous prime is 4243146767. The next prime is 4243146779. The reversal of 4243146773 is 3776413424.

4243146773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4243146767) and next prime (4243146779).

It can be written as a sum of positive squares in 2 ways, for example, as 2908121329 + 1335025444 = 53927^2 + 36538^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243146773 - 2¹⁰ = 4243145749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243146773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243146779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124798418 + ... + 124798451.

It is an arithmetic number, because the mean of its divisors is an integer number (1123185915).

Almost surely, 2^4243146773 is an apocalyptic number.

It is an amenable number.

4243146773 is a deficient number, since it is larger than the sum of its proper divisors (249596887).

4243146773 is a wasteful number, since it uses less digits than its factorization.

4243146773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249596886.

The product of its digits is 338688, while the sum is 41.

The square root of 4243146773 is about 65139.4409939170. The cubic root of 4243146773 is about 1618.9347736030.

The spelling of 4243146773 in words is "four billion, two hundred forty-three million, one hundred forty-six thousand, seven hundred seventy-three".