2107686534 has 32 divisors (see below), whose sum is σ = 4372254720. Its totient is φ = 676543392.

The previous prime is 2107686533. The next prime is 2107686541. The reversal of 2107686534 is 4356867012.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107686533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50829 + ... + 82455.

It is an arithmetic number, because the mean of its divisors is an integer number (136632960).

Almost surely, 2^2107686534 is an apocalyptic number.

2107686534 is an abundant number, since it is smaller than the sum of its proper divisors (2264568186).

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

2107686534 is a wasteful number, since it uses less digits than its factorization.

2107686534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32044.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2107686534 is about 45909.5473077224. The cubic root of 2107686534 is about 1282.1396777012.

The spelling of 2107686534 in words is "two billion, one hundred seven million, six hundred eighty-six thousand, five hundred thirty-four".