994216542001 has 4 divisors (see below), whose sum is σ = 1006801561600. Its totient is φ = 981631522404.

The previous prime is 994216541963. The next prime is 994216542041. The reversal of 994216542001 is 100245612499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100245612499 = 41 ⋅2445014939.

It is a cyclic number.

It is not a de Polignac number, because 994216542001 - 2⁷ = 994216541873 is a prime.

It is a super-3 number, since 3×994216542001³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994216542041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6292509681 + ... + 6292509838.

It is an arithmetic number, because the mean of its divisors is an integer number (251700390400).

Almost surely, 2^994216542001 is an apocalyptic number.

It is an amenable number.

994216542001 is a deficient number, since it is larger than the sum of its proper divisors (12585019599).

994216542001 is a wasteful number, since it uses less digits than its factorization.

994216542001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12585019598.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 994216542001 in words is "nine hundred ninety-four billion, two hundred sixteen million, five hundred forty-two thousand, one".