6398130955 has 4 divisors (see below), whose sum is σ = 7677757152. Its totient is φ = 5118504760.

The previous prime is 6398130919. The next prime is 6398130967. The reversal of 6398130955 is 5590318936.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6398130955 - 2¹³ = 6398122763 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 a junction number, because it is equal to n+sod(n) for n = 6398130899 and 6398130908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639813091 + ... + 639813100.

It is an arithmetic number, because the mean of its divisors is an integer number (1919439288).

Almost surely, 2^6398130955 is an apocalyptic number.

6398130955 is a deficient number, since it is larger than the sum of its proper divisors (1279626197).

6398130955 is a wasteful number, since it uses less digits than its factorization.

6398130955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279626196.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 6398130955 is about 79988.3176157619. The cubic root of 6398130955 is about 1856.4547796316.

The spelling of 6398130955 in words is "six billion, three hundred ninety-eight million, one hundred thirty thousand, nine hundred fifty-five".