6686139301 has 8 divisors (see below), whose sum is σ = 6940341504. Its totient is φ = 6436601520.

The previous prime is 6686139269. The next prime is 6686139331. The reversal of 6686139301 is 1039316866.

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

It is a cyclic number.

It is not a de Polignac number, because 6686139301 - 2⁵ = 6686139269 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 (6686139331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163185 + ... + 1168918.

It is an arithmetic number, because the mean of its divisors is an integer number (867542688).

Almost surely, 2^6686139301 is an apocalyptic number.

6686139301 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6686139301 is a deficient number, since it is larger than the sum of its proper divisors (254202203).

6686139301 is a wasteful number, since it uses less digits than its factorization.

6686139301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332211.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 6686139301 is about 81768.8161893029. The cubic root of 6686139301 is about 1883.9027215734.

The spelling of 6686139301 in words is "six billion, six hundred eighty-six million, one hundred thirty-nine thousand, three hundred one".