6491384922 has 32 divisors (see below), whose sum is σ = 14908446720. Its totient is φ = 1863555120.

The previous prime is 6491384897. The next prime is 6491384923. The reversal of 6491384922 is 2294831946.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6491384923) 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, 2587018 + ... + 2589525.

It is an arithmetic number, because the mean of its divisors is an integer number (465888960).

Almost surely, 2^6491384922 is an apocalyptic number.

6491384922 is an abundant number, since it is smaller than the sum of its proper divisors (8417061798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6491384922 is a wasteful number, since it uses less digits than its factorization.

6491384922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176578.

The product of its digits is 746496, while the sum is 48.

The square root of 6491384922 is about 80569.1313221137. The cubic root of 6491384922 is about 1865.4307042637.

The spelling of 6491384922 in words is "six billion, four hundred ninety-one million, three hundred eighty-four thousand, nine hundred twenty-two".