8146786129973 has 8 divisors (see below), whose sum is σ = 8720912896800. Its totient is φ = 7587194218128.

The previous prime is 8146786129957. The next prime is 8146786129981. The reversal of 8146786129973 is 3799216876418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8146786129973 - 2⁴ = 8146786129957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8146786129897 and 8146786129906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8146786129943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633712586 + ... + 3633714827.

It is an arithmetic number, because the mean of its divisors is an integer number (1090114112100).

Almost surely, 2^{8146786129973} is an apocalyptic number.

It is an amenable number.

8146786129973 is a deficient number, since it is larger than the sum of its proper divisors (574126766827).

8146786129973 is a wasteful number, since it uses less digits than its factorization.

8146786129973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267427491.

The product of its digits is 219469824, while the sum is 71.

The spelling of 8146786129973 in words is "eight trillion, one hundred forty-six billion, seven hundred eighty-six million, one hundred twenty-nine thousand, nine hundred seventy-three".