9442786253 has 2 divisors, whose sum is σ = 9442786254. Its totient is φ = 9442786252.

The previous prime is 9442786211. The next prime is 9442786261. The reversal of 9442786253 is 3526872449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5610309604 + 3832476649 = 74902^2 + 61907^2 .

It is a cyclic number.

It is not a de Polignac number, because 9442786253 - 2⁶ = 9442786189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9442780253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4721393126 + 4721393127.

It is an arithmetic number, because the mean of its divisors is an integer number (4721393127).

Almost surely, 2^9442786253 is an apocalyptic number.

It is an amenable number.

9442786253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9442786253 is an equidigital number, since it uses as much as digits as its factorization.

9442786253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The square root of 9442786253 is about 97173.9998816556. Note that the first 3 decimals coincide. The cubic root of 9442786253 is about 2113.6515204521.

The spelling of 9442786253 in words is "nine billion, four hundred forty-two million, seven hundred eighty-six thousand, two hundred fifty-three".