4238772653 has 2 divisors, whose sum is σ = 4238772654. Its totient is φ = 4238772652.

The previous prime is 4238772647. The next prime is 4238772677. The reversal of 4238772653 is 3562778324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2501800324 + 1736972329 = 50018^2 + 41677^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238772653 - 2⁸ = 4238772397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4238772598 and 4238772607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238772623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119386326 + 2119386327.

It is an arithmetic number, because the mean of its divisors is an integer number (2119386327).

Almost surely, 2^4238772653 is an apocalyptic number.

It is an amenable number.

4238772653 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238772653 is an equidigital number, since it uses as much as digits as its factorization.

4238772653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 47.

The square root of 4238772653 is about 65105.8572864224. The cubic root of 4238772653 is about 1618.3782801892.

The spelling of 4238772653 in words is "four billion, two hundred thirty-eight million, seven hundred seventy-two thousand, six hundred fifty-three".