9409548949 has 2 divisors, whose sum is σ = 9409548950. Its totient is φ = 9409548948.

The previous prime is 9409548901. The next prime is 9409548959. The reversal of 9409548949 is 9498459049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5004572049 + 4404976900 = 70743^2 + 66370^2 .

It is a cyclic number.

It is not a de Polignac number, because 9409548949 - 2²⁹ = 8872678037 is a prime.

It is a super-2 number, since 2×9409548949² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9409548959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4704774474 + 4704774475.

It is an arithmetic number, because the mean of its divisors is an integer number (4704774475).

Almost surely, 2^9409548949 is an apocalyptic number.

It is an amenable number.

9409548949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9409548949 is an equidigital number, since it uses as much as digits as its factorization.

9409548949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The square root of 9409548949 is about 97002.8295927495. The cubic root of 9409548949 is about 2111.1686845713.

The spelling of 9409548949 in words is "nine billion, four hundred nine million, five hundred forty-eight thousand, nine hundred forty-nine".