9897061158043 has 4 divisors (see below), whose sum is σ = 10238339129040. Its totient is φ = 9555783187048.

The previous prime is 9897061158029. The next prime is 9897061158077. The reversal of 9897061158043 is 3408511607989.

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

It is a cyclic number.

It is not a de Polignac number, because 9897061158043 - 2²⁹ = 9896524287131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9897061158013) 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 in 3 ways as a sum of consecutive naturals, for example, 170638985455 + ... + 170638985512.

It is an arithmetic number, because the mean of its divisors is an integer number (2559584782260).

Almost surely, 2^{9897061158043} is an apocalyptic number.

9897061158043 is a deficient number, since it is larger than the sum of its proper divisors (341277970997).

9897061158043 is a wasteful number, since it uses less digits than its factorization.

9897061158043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341277970996.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 9897061158043 in words is "nine trillion, eight hundred ninety-seven billion, sixty-one million, one hundred fifty-eight thousand, forty-three".