9534923897 has 2 divisors, whose sum is σ = 9534923898. Its totient is φ = 9534923896.

The previous prime is 9534923857. The next prime is 9534923903. The reversal of 9534923897 is 7983294359.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9219648361 + 315275536 = 96019^2 + 17756^2 .

It is a cyclic number.

It is not a de Polignac number, because 9534923897 - 2¹⁴ = 9534907513 is a prime.

It is not a weakly prime, because it can be changed into another prime (9534923857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4767461948 + 4767461949.

It is an arithmetic number, because the mean of its divisors is an integer number (4767461949).

Almost surely, 2^9534923897 is an apocalyptic number.

It is an amenable number.

9534923897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9534923897 is an equidigital number, since it uses as much as digits as its factorization.

9534923897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The square root of 9534923897 is about 97646.9349083728. The cubic root of 9534923897 is about 2120.5039072271.

The spelling of 9534923897 in words is "nine billion, five hundred thirty-four million, nine hundred twenty-three thousand, eight hundred ninety-seven".