716917921219 has 8 divisors (see below), whose sum is σ = 718405082640. Its totient is φ = 715432255200.

The previous prime is 716917921207. The next prime is 716917921231. The reversal of 716917921219 is 912129719617.

It is an interprime number because it is at equal distance from previous prime (716917921207) and next prime (716917921231).

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

It is a cyclic number.

It is not a de Polignac number, because 716917921219 - 2¹¹ = 716917919171 is a prime.

It is a super-2 number, since 2×716917921219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716917921219.

It is not an unprimeable number, because it can be changed into a prime (716917921519) 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, 588537 + ... + 1334245.

It is an arithmetic number, because the mean of its divisors is an integer number (89800635330).

Almost surely, 2^716917921219 is an apocalyptic number.

716917921219 is a deficient number, since it is larger than the sum of its proper divisors (1487161421).

716917921219 is a wasteful number, since it uses less digits than its factorization.

716917921219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747701.

The product of its digits is 857304, while the sum is 55.

The spelling of 716917921219 in words is "seven hundred sixteen billion, nine hundred seventeen million, nine hundred twenty-one thousand, two hundred nineteen".