6490933388 has 12 divisors (see below), whose sum is σ = 11725557312. Its totient is φ = 3140774160.

The previous prime is 6490933369. The next prime is 6490933391. The reversal of 6490933388 is 8833390946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26172995 + ... + 26173242.

It is an arithmetic number, because the mean of its divisors is an integer number (977129776).

Almost surely, 2^6490933388 is an apocalyptic number.

It is an amenable number.

6490933388 is a deficient number, since it is larger than the sum of its proper divisors (5234623924).

6490933388 is a wasteful number, since it uses less digits than its factorization.

6490933388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52346272 (or 52346270 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The square root of 6490933388 is about 80566.3291207934. The cubic root of 6490933388 is about 1865.3874507861.

The spelling of 6490933388 in words is "six billion, four hundred ninety million, nine hundred thirty-three thousand, three hundred eighty-eight".