9538148497 has 2 divisors, whose sum is σ = 9538148498. Its totient is φ = 9538148496.

The previous prime is 9538148483. The next prime is 9538148527. The reversal of 9538148497 is 7948418359.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6146716801 + 3391431696 = 78401^2 + 58236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9538148497 is a prime.

It is not a weakly prime, because it can be changed into another prime (9538148467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4769074248 + 4769074249.

It is an arithmetic number, because the mean of its divisors is an integer number (4769074249).

Almost surely, 2^9538148497 is an apocalyptic number.

It is an amenable number.

9538148497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9538148497 is an equidigital number, since it uses as much as digits as its factorization.

9538148497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 58.

The square root of 9538148497 is about 97663.4450395848. The cubic root of 9538148497 is about 2120.7429235108.

The spelling of 9538148497 in words is "nine billion, five hundred thirty-eight million, one hundred forty-eight thousand, four hundred ninety-seven".