994066142404213 has 4 divisors (see below), whose sum is σ = 994098456128128. Its totient is φ = 994033828680300.

The previous prime is 994066142404211. The next prime is 994066142404217. The reversal of 994066142404213 is 312404241660499.

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.

It is a cyclic number.

It is not a de Polignac number, because 994066142404213 - 2¹ = 994066142404211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994066142404211) 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, 16156815813 + ... + 16156877338.

It is an arithmetic number, because the mean of its divisors is an integer number (248524614032032).

Almost surely, 2^{994066142404213} is an apocalyptic number.

It is an amenable number.

994066142404213 is a deficient number, since it is larger than the sum of its proper divisors (32313723915).

994066142404213 is a wasteful number, since it uses less digits than its factorization.

994066142404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32313723914.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 994066142404213 in words is "nine hundred ninety-four trillion, sixty-six billion, one hundred forty-two million, four hundred four thousand, two hundred thirteen".