6485679740 has 24 divisors (see below), whose sum is σ = 13621800192. Its totient is φ = 2593915200.

The previous prime is 6485679737. The next prime is 6485679743. The reversal of 6485679740 is 479765846.

It is an interprime number because it is at equal distance from previous prime (6485679737) and next prime (6485679743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485679743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165302 + ... + 200738.

It is an arithmetic number, because the mean of its divisors is an integer number (567575008).

Almost surely, 2^6485679740 is an apocalyptic number.

It is an amenable number.

6485679740 is an abundant number, since it is smaller than the sum of its proper divisors (7136120452).

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

6485679740 is a wasteful number, since it uses less digits than its factorization.

6485679740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44597 (or 44595 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The square root of 6485679740 is about 80533.7180316419. The cubic root of 6485679740 is about 1864.8840442824.

The spelling of 6485679740 in words is "six billion, four hundred eighty-five million, six hundred seventy-nine thousand, seven hundred forty".