6426640214 has 16 divisors (see below), whose sum is σ = 9676789200. Its totient is φ = 3201065184.

The previous prime is 6426640211. The next prime is 6426640247. The reversal of 6426640214 is 4120466246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426640211) 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, 677597 + ... + 687015.

It is an arithmetic number, because the mean of its divisors is an integer number (604799325).

Almost surely, 2^6426640214 is an apocalyptic number.

6426640214 is a deficient number, since it is larger than the sum of its proper divisors (3250148986).

6426640214 is a wasteful number, since it uses less digits than its factorization.

6426640214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 6426640214 is about 80166.3284303329. The cubic root of 6426640214 is about 1859.2080698135.

The spelling of 6426640214 in words is "six billion, four hundred twenty-six million, six hundred forty thousand, two hundred fourteen".