6543940702 has 16 divisors (see below), whose sum is σ = 10574044992. Its totient is φ = 3019404960.

The previous prime is 6543940699. The next prime is 6543940717. The reversal of 6543940702 is 2070493456.

It is a happy number.

It is a super-2 number, since 2×6543940702² = 85646319822584505608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59748 + ... + 129064.

It is an arithmetic number, because the mean of its divisors is an integer number (660877812).

Almost surely, 2^6543940702 is an apocalyptic number.

6543940702 is a deficient number, since it is larger than the sum of its proper divisors (4030104290).

6543940702 is a wasteful number, since it uses less digits than its factorization.

6543940702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72963.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6543940702 is about 80894.6271516224. The cubic root of 6543940702 is about 1870.4515006905.

The spelling of 6543940702 in words is "six billion, five hundred forty-three million, nine hundred forty thousand, seven hundred two".