4992212717921 has 16 divisors (see below), whose sum is σ = 5866699200768. Its totient is φ = 4188039398400.

The previous prime is 4992212717917. The next prime is 4992212717929. The reversal of 4992212717921 is 1297172122994.

It is a happy number.

It is not a de Polignac number, because 4992212717921 - 2² = 4992212717917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4992212717929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4636160 + ... + 5610561.

It is an arithmetic number, because the mean of its divisors is an integer number (366668700048).

Almost surely, 2^{4992212717921} is an apocalyptic number.

It is an amenable number.

4992212717921 is a deficient number, since it is larger than the sum of its proper divisors (874486482847).

4992212717921 is a wasteful number, since it uses less digits than its factorization.

4992212717921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250152.

The product of its digits is 2286144, while the sum is 56.

The spelling of 4992212717921 in words is "four trillion, nine hundred ninety-two billion, two hundred twelve million, seven hundred seventeen thousand, nine hundred twenty-one".