8149843170419 has 4 divisors (see below), whose sum is σ = 8190797156400. Its totient is φ = 8108889184440.

The previous prime is 8149843170409. The next prime is 8149843170467. The reversal of 8149843170419 is 9140713489418.

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 8149843170419 - 2²⁰ = 8149842121843 is a prime.

It is a super-2 number, since 2×8149843170419² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8149843170409) 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, 20476992692 + ... + 20476993089.

It is an arithmetic number, because the mean of its divisors is an integer number (2047699289100).

Almost surely, 2^{8149843170419} is an apocalyptic number.

8149843170419 is a deficient number, since it is larger than the sum of its proper divisors (40953985981).

8149843170419 is a wasteful number, since it uses less digits than its factorization.

8149843170419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40953985980.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 8149843170419 in words is "eight trillion, one hundred forty-nine billion, eight hundred forty-three million, one hundred seventy thousand, four hundred nineteen".