6686062989 has 8 divisors (see below), whose sum is σ = 8915128992. Its totient is φ = 4457186160.

The previous prime is 6686062979. The next prime is 6686063023. The reversal of 6686062989 is 9892606866.

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

It is not a de Polignac number, because 6686062989 - 2¹² = 6686058893 is a prime.

It is a super-2 number, since 2×6686062989² = 89406876585751228242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6686062939) 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, 108427 + ... + 158519.

It is an arithmetic number, because the mean of its divisors is an integer number (1114391124).

Almost surely, 2^6686062989 is an apocalyptic number.

It is an amenable number.

6686062989 is a deficient number, since it is larger than the sum of its proper divisors (2229066003).

6686062989 is a wasteful number, since it uses less digits than its factorization.

6686062989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94587.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The square root of 6686062989 is about 81768.3495553139. The cubic root of 6686062989 is about 1883.8955542618.

The spelling of 6686062989 in words is "six billion, six hundred eighty-six million, sixty-two thousand, nine hundred eighty-nine".