6351398271 has 16 divisors (see below), whose sum is σ = 9962978400. Its totient is φ = 3985190784.

The previous prime is 6351398269. The next prime is 6351398279. The reversal of 6351398271 is 1728931536.

6351398271 is a `hidden beast` number, since 63 + 513 + 9 + 8 + 2 + 71 = 666.

It is not a de Polignac number, because 6351398271 - 2¹ = 6351398269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6351398279) 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, 6918276 + ... + 6919193.

It is an arithmetic number, because the mean of its divisors is an integer number (622686150).

Almost surely, 2^6351398271 is an apocalyptic number.

6351398271 is a deficient number, since it is larger than the sum of its proper divisors (3611580129).

6351398271 is a wasteful number, since it uses less digits than its factorization.

6351398271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13837495 (or 13837489 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 6351398271 is about 79695.6603021771. The cubic root of 6351398271 is about 1851.9238103796.

The spelling of 6351398271 in words is "six billion, three hundred fifty-one million, three hundred ninety-eight thousand, two hundred seventy-one".