6490933389 has 24 divisors (see below), whose sum is σ = 9414758912. Its totient is φ = 4309342560.

The previous prime is 6490933369. The next prime is 6490933391. The reversal of 6490933389 is 9833390946.

It is a happy number.

It is not a de Polignac number, because 6490933389 - 2²⁷ = 6356715661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490933369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4560732 + ... + 4562154.

Almost surely, 2^6490933389 is an apocalyptic number.

It is an amenable number.

6490933389 is a deficient number, since it is larger than the sum of its proper divisors (2923825523).

6490933389 is a wasteful number, since it uses less digits than its factorization.

6490933389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The square root of 6490933389 is about 80566.3291269995. The cubic root of 6490933389 is about 1865.3874508819.

The spelling of 6490933389 in words is "six billion, four hundred ninety million, nine hundred thirty-three thousand, three hundred eighty-nine".