6494274523 has 4 divisors (see below), whose sum is σ = 7084663128. Its totient is φ = 5903885920.

The previous prime is 6494274509. The next prime is 6494274539. The reversal of 6494274523 is 3254724946.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6494274523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6494274823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295194286 + ... + 295194307.

It is an arithmetic number, because the mean of its divisors is an integer number (1771165782).

Almost surely, 2^6494274523 is an apocalyptic number.

6494274523 is a deficient number, since it is larger than the sum of its proper divisors (590388605).

6494274523 is a wasteful number, since it uses less digits than its factorization.

6494274523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590388604.

The product of its digits is 1451520, while the sum is 46.

The square root of 6494274523 is about 80587.0617593172. The cubic root of 6494274523 is about 1865.7074582930.

The spelling of 6494274523 in words is "six billion, four hundred ninety-four million, two hundred seventy-four thousand, five hundred twenty-three".