6719681051 has 4 divisors (see below), whose sum is σ = 6758523312. Its totient is φ = 6680838792.

The previous prime is 6719681029. The next prime is 6719681057. The reversal of 6719681051 is 1501869176.

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 6719681051 - 2¹⁰ = 6719680027 is a prime.

It is a super-2 number, since 2×6719681051² = 90308226854336929202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6719680993 and 6719681011.

It is not an unprimeable number, because it can be changed into a prime (6719681057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19420871 + ... + 19421216.

It is an arithmetic number, because the mean of its divisors is an integer number (1689630828).

Almost surely, 2^6719681051 is an apocalyptic number.

6719681051 is a deficient number, since it is larger than the sum of its proper divisors (38842261).

6719681051 is a wasteful number, since it uses less digits than its factorization.

6719681051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38842260.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 6719681051 is about 81973.6607148906. The cubic root of 6719681051 is about 1887.0477364206.

The spelling of 6719681051 in words is "six billion, seven hundred nineteen million, six hundred eighty-one thousand, fifty-one".