4252774789 has 2 divisors, whose sum is σ = 4252774790. Its totient is φ = 4252774788.

The previous prime is 4252774753. The next prime is 4252774829. The reversal of 4252774789 is 9874772524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2382904225 + 1869870564 = 48815^2 + 43242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4252774789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4252774489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126387394 + 2126387395.

It is an arithmetic number, because the mean of its divisors is an integer number (2126387395).

Almost surely, 2^4252774789 is an apocalyptic number.

It is an amenable number.

4252774789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252774789 is an equidigital number, since it uses as much as digits as its factorization.

4252774789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720, while the sum is 55.

The square root of 4252774789 is about 65213.3022396505. The cubic root of 4252774789 is about 1620.1583431316.

The spelling of 4252774789 in words is "four billion, two hundred fifty-two million, seven hundred seventy-four thousand, seven hundred eighty-nine".