994249515001 has 4 divisors (see below), whose sum is σ = 994285787904. Its totient is φ = 994213242100.

The previous prime is 994249514987. The next prime is 994249515019. The reversal of 994249515001 is 100515942499.

It is a happy number.

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: 100515942499 = 7 ⋅14359420357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994249515001 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994249575001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18095305 + ... + 18150166.

It is an arithmetic number, because the mean of its divisors is an integer number (248571446976).

Almost surely, 2^994249515001 is an apocalyptic number.

It is an amenable number.

994249515001 is a deficient number, since it is larger than the sum of its proper divisors (36272903).

994249515001 is a wasteful number, since it uses less digits than its factorization.

994249515001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36272902.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 994249515001 in words is "nine hundred ninety-four billion, two hundred forty-nine million, five hundred fifteen thousand, one".