9738154094257 has 2 divisors, whose sum is σ = 9738154094258. Its totient is φ = 9738154094256.

The previous prime is 9738154094239. The next prime is 9738154094293. The reversal of 9738154094257 is 7524904518379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8205698264481 + 1532455829776 = 2864559^2 + 1237924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9738154094257 is a prime.

It is not a weakly prime, because it can be changed into another prime (9738152094257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4869077047128 + 4869077047129.

It is an arithmetic number, because the mean of its divisors is an integer number (4869077047129).

Almost surely, 2^{9738154094257} is an apocalyptic number.

It is an amenable number.

9738154094257 is a deficient number, since it is larger than the sum of its proper divisors (1).

9738154094257 is an equidigital number, since it uses as much as digits as its factorization.

9738154094257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 9738154094257 in words is "nine trillion, seven hundred thirty-eight billion, one hundred fifty-four million, ninety-four thousand, two hundred fifty-seven".