8340073913 has 4 divisors (see below), whose sum is σ = 8340267408. Its totient is φ = 8339880420.

The previous prime is 8340073891. The next prime is 8340073927. The reversal of 8340073913 is 3193700438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3193700438 = 2 ⋅1596850219.

It is a cyclic number.

It is not a de Polignac number, because 8340073913 - 2¹⁰ = 8340072889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8340073943) 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, 470 + ... + 129152.

It is an arithmetic number, because the mean of its divisors is an integer number (2085066852).

Almost surely, 2^8340073913 is an apocalyptic number.

It is an amenable number.

8340073913 is a deficient number, since it is larger than the sum of its proper divisors (193495).

8340073913 is a wasteful number, since it uses less digits than its factorization.

8340073913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193494.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 8340073913 is about 91324.0051300861. The cubic root of 8340073913 is about 2027.9471521001.

The spelling of 8340073913 in words is "eight billion, three hundred forty million, seventy-three thousand, nine hundred thirteen".