794397249661 has 16 divisors (see below), whose sum is σ = 852986534400. Its totient is φ = 738161121600.

The previous prime is 794397249491. The next prime is 794397249673. The reversal of 794397249661 is 166942793497.

794397249661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 794397249661 - 2¹¹ = 794397247613 is a prime.

It is a super-2 number, since 2×794397249661² (a number of 25 digits) 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 (794397249761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2278291 + ... + 2603728.

It is an arithmetic number, because the mean of its divisors is an integer number (53311658400).

Almost surely, 2^794397249661 is an apocalyptic number.

It is an amenable number.

794397249661 is a deficient number, since it is larger than the sum of its proper divisors (58589284739).

794397249661 is a wasteful number, since it uses less digits than its factorization.

794397249661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882260.

The product of its digits is 123451776, while the sum is 67.

The spelling of 794397249661 in words is "seven hundred ninety-four billion, three hundred ninety-seven million, two hundred forty-nine thousand, six hundred sixty-one".