994679193601 has 4 divisors (see below), whose sum is σ = 1003804690900. Its totient is φ = 985553696304.

The previous prime is 994679193589. The next prime is 994679193619. The reversal of 994679193601 is 106391976499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 829456455025 + 165222738576 = 910745^2 + 406476^2 .

It is a cyclic number.

It is not a de Polignac number, because 994679193601 - 2¹¹ = 994679191553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994679193401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562748486 + ... + 4562748703.

It is an arithmetic number, because the mean of its divisors is an integer number (250951172725).

It is a Proth number, since it is equal to 118575 ⋅ 2²³ + 1 and 118575 < 2²³.

Almost surely, 2^994679193601 is an apocalyptic number.

It is an amenable number.

994679193601 is a deficient number, since it is larger than the sum of its proper divisors (9125497299).

994679193601 is a wasteful number, since it uses less digits than its factorization.

994679193601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125497298.

The product of its (nonzero) digits is 19840464, while the sum is 64.

The spelling of 994679193601 in words is "nine hundred ninety-four billion, six hundred seventy-nine million, one hundred ninety-three thousand, six hundred one".