8340451408919 has 4 divisors (see below), whose sum is σ = 9531944467344. Its totient is φ = 7148958350496.

The previous prime is 8340451408907. The next prime is 8340451408957. The reversal of 8340451408919 is 9198041540438.

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 8340451408919 - 2³² = 8336156441623 is a prime.

It is a super-2 number, since 2×8340451408919² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340451408999) 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, 595746529202 + ... + 595746529215.

It is an arithmetic number, because the mean of its divisors is an integer number (2382986116836).

Almost surely, 2^{8340451408919} is an apocalyptic number.

8340451408919 is a deficient number, since it is larger than the sum of its proper divisors (1191493058425).

8340451408919 is a wasteful number, since it uses less digits than its factorization.

8340451408919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191493058424.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 8340451408919 in words is "eight trillion, three hundred forty billion, four hundred fifty-one million, four hundred eight thousand, nine hundred nineteen".