5091666719 has 8 divisors (see below), whose sum is σ = 5400762480. Its totient is φ = 4783636096.

The previous prime is 5091666689. The next prime is 5091666739. The reversal of 5091666719 is 9176661905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5091666719 is a prime.

It is a super-2 number, since 2×5091666719² = 51850139954744449922, which 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 (5091666739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256424 + ... + 275565.

It is an arithmetic number, because the mean of its divisors is an integer number (675095310).

Almost surely, 2^5091666719 is an apocalyptic number.

5091666719 is a deficient number, since it is larger than the sum of its proper divisors (309095761).

5091666719 is a wasteful number, since it uses less digits than its factorization.

5091666719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532569.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 5091666719 is about 71355.9157953985. The cubic root of 5091666719 is about 1720.3625879492.

The spelling of 5091666719 in words is "five billion, ninety-one million, six hundred sixty-six thousand, seven hundred nineteen".