6741720693919 has 4 divisors (see below), whose sum is σ = 6741726474960. Its totient is φ = 6741714912880.

The previous prime is 6741720693889. The next prime is 6741720693947. The reversal of 6741720693919 is 9193960271476.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6741720693919 - 2²⁵ = 6741687139487 is a prime.

It is a super-2 number, since 2×6741720693919² (a number of 26 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 (6741720693419) 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, 460027 + ... + 3700684.

It is an arithmetic number, because the mean of its divisors is an integer number (1685431618740).

Almost surely, 2^{6741720693919} is an apocalyptic number.

6741720693919 is a deficient number, since it is larger than the sum of its proper divisors (5781041).

6741720693919 is a wasteful number, since it uses less digits than its factorization.

6741720693919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781040.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The spelling of 6741720693919 in words is "six trillion, seven hundred forty-one billion, seven hundred twenty million, six hundred ninety-three thousand, nine hundred nineteen".