716684099629491 has 16 divisors (see below), whose sum is σ = 1213433396198400. Its totient is φ = 409533771216744.

The previous prime is 716684099629409. The next prime is 716684099629507. The reversal of 716684099629491 is 194926990486617.

716684099629491 is a `hidden beast` number, since 7 + 1 + 6 + 68 + 4 + 0 + 9 + 9 + 62 + 9 + 491 = 666.

It is not a de Polignac number, because 716684099629491 - 2¹³ = 716684099621299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716684099629491.

It is not an unprimeable number, because it can be changed into a prime (716684099629591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895989681371 + ... + 1895989681748.

It is an arithmetic number, because the mean of its divisors is an integer number (75839587262400).

Almost surely, 2^{716684099629491} is an apocalyptic number.

716684099629491 is a deficient number, since it is larger than the sum of its proper divisors (496749296568909).

716684099629491 is a wasteful number, since it uses less digits than its factorization.

716684099629491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791979363135 (or 3791979363129 counting only the distinct ones).

The product of its (nonzero) digits is 2539579392, while the sum is 81.

The spelling of 716684099629491 in words is "seven hundred sixteen trillion, six hundred eighty-four billion, ninety-nine million, six hundred twenty-nine thousand, four hundred ninety-one".