7106421999 has 8 divisors (see below), whose sum is σ = 9477112320. Its totient is φ = 4736673176.

The previous prime is 7106421997. The next prime is 7106422019. The reversal of 7106421999 is 9991246017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7106421999 - 2¹ = 7106421997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7106421997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217569 + ... + 248090.

It is an arithmetic number, because the mean of its divisors is an integer number (1184639040).

Almost surely, 2^7106421999 is an apocalyptic number.

7106421999 is a deficient number, since it is larger than the sum of its proper divisors (2370690321).

7106421999 is a wasteful number, since it uses less digits than its factorization.

7106421999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470749.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 7106421999 is about 84299.5966716330. The cubic root of 7106421999 is about 1922.5766547662.

The spelling of 7106421999 in words is "seven billion, one hundred six million, four hundred twenty-one thousand, nine hundred ninety-nine".