6931340634 has 32 divisors (see below), whose sum is σ = 14348664000. Its totient is φ = 2229538304.

The previous prime is 6931340621. The next prime is 6931340639. The reversal of 6931340634 is 4360431396.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6931340592 and 6931340601.

It is not an unprimeable number, because it can be changed into a prime (6931340639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334282 + ... + 354410.

It is an arithmetic number, because the mean of its divisors is an integer number (448395750).

Almost surely, 2^6931340634 is an apocalyptic number.

6931340634 is an abundant number, since it is smaller than the sum of its proper divisors (7417323366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6931340634 is a wasteful number, since it uses less digits than its factorization.

6931340634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22142.

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 6931340634 is about 83254.6733463053. The cubic root of 6931340634 is about 1906.6563058687.

The spelling of 6931340634 in words is "six billion, nine hundred thirty-one million, three hundred forty thousand, six hundred thirty-four".