6845934102 has 128 divisors (see below), whose sum is σ = 17083146240. Its totient is φ = 1784125440.

The previous prime is 6845934091. The next prime is 6845934103. The reversal of 6845934102 is 2014395486.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845934103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12653952 + ... + 12654492.

It is an arithmetic number, because the mean of its divisors is an integer number (133462080).

Almost surely, 2^6845934102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845934102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8541573120).

6845934102 is an abundant number, since it is smaller than the sum of its proper divisors (10237212138).

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

6845934102 is a wasteful number, since it uses less digits than its factorization.

6845934102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 6845934102 is about 82740.1601521293. The cubic root of 6845934102 is about 1898.7927790101.

The spelling of 6845934102 in words is "six billion, eight hundred forty-five million, nine hundred thirty-four thousand, one hundred two".