773649197669 has 8 divisors (see below), whose sum is σ = 805017553920. Its totient is φ = 742901997136.

The previous prime is 773649197663. The next prime is 773649197779. The reversal of 773649197669 is 966791946377.

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 773649197669 - 2¹⁶ = 773649132133 is a prime.

It is a super-2 number, since 2×773649197669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 773649197596 and 773649197605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773649197663) 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, 155286389 + ... + 155291370.

It is an arithmetic number, because the mean of its divisors is an integer number (100627194240).

Almost surely, 2^773649197669 is an apocalyptic number.

It is an amenable number.

773649197669 is a deficient number, since it is larger than the sum of its proper divisors (31368356251).

773649197669 is a wasteful number, since it uses less digits than its factorization.

773649197669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310577859.

The product of its digits is 648121824, while the sum is 74.

The spelling of 773649197669 in words is "seven hundred seventy-three billion, six hundred forty-nine million, one hundred ninety-seven thousand, six hundred sixty-nine".