6680912929 has 2 divisors, whose sum is σ = 6680912930. Its totient is φ = 6680912928.

The previous prime is 6680912923. The next prime is 6680912957. The reversal of 6680912929 is 9292190866.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4513824225 + 2167088704 = 67185^2 + 46552^2 .

It is a cyclic number.

It is not a de Polignac number, because 6680912929 - 2³ = 6680912921 is a prime.

It is not a weakly prime, because it can be changed into another prime (6680912921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340456464 + 3340456465.

It is an arithmetic number, because the mean of its divisors is an integer number (3340456465).

Almost surely, 2^6680912929 is an apocalyptic number.

It is an amenable number.

6680912929 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680912929 is an equidigital number, since it uses as much as digits as its factorization.

6680912929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 6680912929 is about 81736.8517194050. The cubic root of 6680912929 is about 1883.4117285629.

The spelling of 6680912929 in words is "six billion, six hundred eighty million, nine hundred twelve thousand, nine hundred twenty-nine".