6490897344 has 336 divisors, whose sum is σ = 20712257280. Its totient is φ = 1934254080.

The previous prime is 6490897307. The next prime is 6490897379. The reversal of 6490897344 is 4437980946.

It is a happy number.

6490897344 is a `hidden beast` number, since 6 + 490 + 89 + 73 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26933064 + ... + 26933304.

Almost surely, 2^6490897344 is an apocalyptic number.

6490897344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6490897344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10356128640).

6490897344 is an abundant number, since it is smaller than the sum of its proper divisors (14221359936).

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

6490897344 is a wasteful number, since it uses less digits than its factorization.

6490897344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 6490897344 is about 80566.1054290202. The cubic root of 6490897344 is about 1865.3839979622.

The spelling of 6490897344 in words is "six billion, four hundred ninety million, eight hundred ninety-seven thousand, three hundred forty-four".