9534813157 has 2 divisors, whose sum is σ = 9534813158. Its totient is φ = 9534813156.

The previous prime is 9534813143. The next prime is 9534813203. The reversal of 9534813157 is 7513184359.

It is a happy number.

9534813157 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9534813203) can be obtained adding 9534813157 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9053712801 + 481100356 = 95151^2 + 21934^2 .

It is a cyclic number.

It is not a de Polignac number, because 9534813157 - 2¹¹ = 9534811109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9534813257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4767406578 + 4767406579.

It is an arithmetic number, because the mean of its divisors is an integer number (4767406579).

Almost surely, 2^9534813157 is an apocalyptic number.

It is an amenable number.

9534813157 is a deficient number, since it is larger than the sum of its proper divisors (1).

9534813157 is an equidigital number, since it uses as much as digits as its factorization.

9534813157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The square root of 9534813157 is about 97646.3678638381. The cubic root of 9534813157 is about 2120.4956979146.

The spelling of 9534813157 in words is "nine billion, five hundred thirty-four million, eight hundred thirteen thousand, one hundred fifty-seven".