9449739253 has 2 divisors, whose sum is σ = 9449739254. Its totient is φ = 9449739252.

The previous prime is 9449739241. The next prime is 9449739361. The reversal of 9449739253 is 3529379449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8801629489 + 648109764 = 93817^2 + 25458^2 .

It is an emirp because it is prime and its reverse (3529379449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9449739253 - 2²⁵ = 9416184821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9449739194 and 9449739203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9449739203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724869626 + 4724869627.

It is an arithmetic number, because the mean of its divisors is an integer number (4724869627).

Almost surely, 2^9449739253 is an apocalyptic number.

It is an amenable number.

9449739253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9449739253 is an equidigital number, since it uses as much as digits as its factorization.

9449739253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 55.

The square root of 9449739253 is about 97209.7693290134. The cubic root of 9449739253 is about 2114.1701743401.

The spelling of 9449739253 in words is "nine billion, four hundred forty-nine million, seven hundred thirty-nine thousand, two hundred fifty-three".