6485907394 has 8 divisors (see below), whose sum is σ = 9736780860. Its totient is φ = 3240313776.

The previous prime is 6485907359. The next prime is 6485907397. The reversal of 6485907394 is 4937095846.

It can be written as a sum of positive squares in 2 ways, for example, as 6442149169 + 43758225 = 80263^2 + 6615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6485907397) 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, 1316889 + ... + 1321804.

Almost surely, 2^6485907394 is an apocalyptic number.

6485907394 is a deficient number, since it is larger than the sum of its proper divisors (3250873466).

6485907394 is a wasteful number, since it uses less digits than its factorization.

6485907394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639924.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 6485907394 is about 80535.1314272225. The cubic root of 6485907394 is about 1864.9058638070.

The spelling of 6485907394 in words is "six billion, four hundred eighty-five million, nine hundred seven thousand, three hundred ninety-four".