4210816997 has 4 divisors (see below), whose sum is σ = 4300408896. Its totient is φ = 4121225100.

The previous prime is 4210816969. The next prime is 4210817021. The reversal of 4210816997 is 7996180124.

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 4210816997 - 2¹⁸ = 4210554853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 89591851 = 4210816997 / (4 + 2 + 1 + 0 + 8 + 1 + 6 + 9 + 9 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4210816297) 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, 44795879 + ... + 44795972.

It is an arithmetic number, because the mean of its divisors is an integer number (1075102224).

Almost surely, 2^4210816997 is an apocalyptic number.

4210816997 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4210816997 is a deficient number, since it is larger than the sum of its proper divisors (89591899).

4210816997 is an equidigital number, since it uses as much as digits as its factorization.

4210816997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89591898.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 4210816997 is about 64890.8082628041. The cubic root of 4210816997 is about 1614.8125739163.

The spelling of 4210816997 in words is "four billion, two hundred ten million, eight hundred sixteen thousand, nine hundred ninety-seven".