6494221592 has 16 divisors (see below), whose sum is σ = 12211761960. Its totient is φ = 3237751744.

The previous prime is 6494221583. The next prime is 6494221597. The reversal of 6494221592 is 2951224946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494221597) 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, 1166933 + ... + 1172484.

Almost surely, 2^6494221592 is an apocalyptic number.

It is an amenable number.

6494221592 is a deficient number, since it is larger than the sum of its proper divisors (5717540368).

6494221592 is a wasteful number, since it uses less digits than its factorization.

6494221592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339770 (or 2339766 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 6494221592 is about 80586.7333498511. The cubic root of 6494221592 is about 1865.7023895190.

The spelling of 6494221592 in words is "six billion, four hundred ninety-four million, two hundred twenty-one thousand, five hundred ninety-two".