6494926771 has 4 divisors (see below), whose sum is σ = 6497768992. Its totient is φ = 6492084552.

The previous prime is 6494926747. The next prime is 6494926793. The reversal of 6494926771 is 1776294946.

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

It is a cyclic number.

It is not a de Polignac number, because 6494926771 - 2⁹ = 6494926259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6494926741) 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, 1417680 + ... + 1422253.

It is an arithmetic number, because the mean of its divisors is an integer number (1624442248).

Almost surely, 2^6494926771 is an apocalyptic number.

6494926771 is a deficient number, since it is larger than the sum of its proper divisors (2842221).

6494926771 is a wasteful number, since it uses less digits than its factorization.

6494926771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842220.

The product of its digits is 4572288, while the sum is 55.

The square root of 6494926771 is about 80591.1085108029. The cubic root of 6494926771 is about 1865.7699165510.

The spelling of 6494926771 in words is "six billion, four hundred ninety-four million, nine hundred twenty-six thousand, seven hundred seventy-one".