6398817229 has 16 divisors (see below), whose sum is σ = 7724400640. Its totient is φ = 5184330480.

The previous prime is 6398817199. The next prime is 6398817287. The reversal of 6398817229 is 9227188936.

It is not a de Polignac number, because 6398817229 - 2⁵ = 6398817197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6398817229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398217229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333549 + ... + 352210.

It is an arithmetic number, because the mean of its divisors is an integer number (482775040).

Almost surely, 2^6398817229 is an apocalyptic number.

It is an amenable number.

6398817229 is a deficient number, since it is larger than the sum of its proper divisors (1325583411).

6398817229 is a wasteful number, since it uses less digits than its factorization.

6398817229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685840.

The product of its digits is 2612736, while the sum is 55.

The square root of 6398817229 is about 79992.6073396786. The cubic root of 6398817229 is about 1856.5211527181.

The spelling of 6398817229 in words is "six billion, three hundred ninety-eight million, eight hundred seventeen thousand, two hundred twenty-nine".