159592961497 has 2 divisors, whose sum is σ = 159592961498. Its totient is φ = 159592961496.

The previous prime is 159592961483. The next prime is 159592961531. The reversal of 159592961497 is 794169295951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116430405961 + 43162555536 = 341219^2 + 207756^2 .

It is an emirp because it is prime and its reverse (794169295951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159592961497 is a prime.

It is not a weakly prime, because it can be changed into another prime (159592961467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79796480748 + 79796480749.

It is an arithmetic number, because the mean of its divisors is an integer number (79796480749).

Almost surely, 2^159592961497 is an apocalyptic number.

It is an amenable number.

159592961497 is a deficient number, since it is larger than the sum of its proper divisors (1).

159592961497 is an equidigital number, since it uses as much as digits as its factorization.

159592961497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55112400, while the sum is 67.

The spelling of 159592961497 in words is "one hundred fifty-nine billion, five hundred ninety-two million, nine hundred sixty-one thousand, four hundred ninety-seven".