97159342481 has 4 divisors (see below), whose sum is σ = 98490292452. Its totient is φ = 95828392512.

The previous prime is 97159342433. The next prime is 97159342493. The reversal of 97159342481 is 18424395179.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59645850625 + 37513491856 = 244225^2 + 193684^2 .

It is a cyclic number.

It is not a de Polignac number, because 97159342481 - 2¹⁴ = 97159326097 is a prime.

It is a super-2 number, since 2×97159342481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97159342411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665474876 + ... + 665475021.

It is an arithmetic number, because the mean of its divisors is an integer number (24622573113).

Almost surely, 2^97159342481 is an apocalyptic number.

It is an amenable number.

97159342481 is a deficient number, since it is larger than the sum of its proper divisors (1330949971).

97159342481 is a wasteful number, since it uses less digits than its factorization.

97159342481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330949970.

The product of its digits is 2177280, while the sum is 53.

The spelling of 97159342481 in words is "ninety-seven billion, one hundred fifty-nine million, three hundred forty-two thousand, four hundred eighty-one".