8141151973 has 4 divisors (see below), whose sum is σ = 8294758668. Its totient is φ = 7987545280.

The previous prime is 8141151959. The next prime is 8141151989. The reversal of 8141151973 is 3791511418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3791511418 = 2 ⋅1895755709.

It can be written as a sum of positive squares in 2 ways, for example, as 3313959489 + 4827192484 = 57567^2 + 69478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8141151973 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141151943) 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, 76803268 + ... + 76803373.

It is an arithmetic number, because the mean of its divisors is an integer number (2073689667).

Almost surely, 2^8141151973 is an apocalyptic number.

It is an amenable number.

8141151973 is a deficient number, since it is larger than the sum of its proper divisors (153606695).

8141151973 is a wasteful number, since it uses less digits than its factorization.

8141151973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153606694.

The product of its digits is 30240, while the sum is 40.

The square root of 8141151973 is about 90228.3324294537. The cubic root of 8141151973 is about 2011.6941545238.

The spelling of 8141151973 in words is "eight billion, one hundred forty-one million, one hundred fifty-one thousand, nine hundred seventy-three".