6686629034 has 16 divisors (see below), whose sum is σ = 10177963848. Its totient is φ = 3294070272.

The previous prime is 6686629031. The next prime is 6686629051. The reversal of 6686629034 is 4309266866.

It can be written as a sum of positive squares in 4 ways, for example, as 5678376025 + 1008253009 = 75355^2 + 31753^2 .

It is a super-2 number, since 2×6686629034² = 89422015676663546312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6686629031) 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, 119204 + ... + 166080.

Almost surely, 2^6686629034 is an apocalyptic number.

6686629034 is a deficient number, since it is larger than the sum of its proper divisors (3491334814).

6686629034 is a wasteful number, since it uses less digits than its factorization.

6686629034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47929.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The square root of 6686629034 is about 81771.8107540734. The cubic root of 6686629034 is about 1883.9487165672.

The spelling of 6686629034 in words is "six billion, six hundred eighty-six million, six hundred twenty-nine thousand, thirty-four".