6517427043 has 4 divisors (see below), whose sum is σ = 8689902728. Its totient is φ = 4344951360.

The previous prime is 6517426999. The next prime is 6517427057. The reversal of 6517427043 is 3407247156.

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

It is not a de Polignac number, because 6517427043 - 2¹⁴ = 6517410659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6517426992 and 6517427010.

It is not an unprimeable number, because it can be changed into a prime (6517420043) 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, 1086237838 + ... + 1086237843.

It is an arithmetic number, because the mean of its divisors is an integer number (2172475682).

Almost surely, 2^6517427043 is an apocalyptic number.

6517427043 is a deficient number, since it is larger than the sum of its proper divisors (2172475685).

6517427043 is a wasteful number, since it uses less digits than its factorization.

6517427043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172475684.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 6517427043 is about 80730.5830711014. The cubic root of 6517427043 is about 1867.9219524353.

The spelling of 6517427043 in words is "six billion, five hundred seventeen million, four hundred twenty-seven thousand, forty-three".