6395219397 has 12 divisors (see below), whose sum is σ = 10557187680. Its totient is φ = 3654411048.

The previous prime is 6395219387. The next prime is 6395219407. The reversal of 6395219397 is 7939125936.

It is a happy number.

6395219397 is a `hidden beast` number, since 6 + 39 + 5 + 219 + 397 = 666.

6395219397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6395219387) and next prime (6395219407).

It is not a de Polignac number, because 6395219397 - 2¹¹ = 6395217349 is a prime.

It is a super-2 number, since 2×6395219397² = 81797662271530087218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395219357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50755647 + ... + 50755772.

It is an arithmetic number, because the mean of its divisors is an integer number (879765640).

Almost surely, 2^6395219397 is an apocalyptic number.

It is an amenable number.

6395219397 is a deficient number, since it is larger than the sum of its proper divisors (4161968283).

6395219397 is a wasteful number, since it uses less digits than its factorization.

6395219397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101511432 (or 101511429 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 6395219397 is about 79970.1156495350. The cubic root of 6395219397 is about 1856.1731350956.

The spelling of 6395219397 in words is "six billion, three hundred ninety-five million, two hundred nineteen thousand, three hundred ninety-seven".