2102681670 has 16 divisors (see below), whose sum is σ = 5046436080. Its totient is φ = 560715104.

The previous prime is 2102681657. The next prime is 2102681681. The reversal of 2102681670 is 761862012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35044665 + ... + 35044724.

It is an arithmetic number, because the mean of its divisors is an integer number (315402255).

Almost surely, 2^2102681670 is an apocalyptic number.

2102681670 is an abundant number, since it is smaller than the sum of its proper divisors (2943754410).

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

2102681670 is a wasteful number, since it uses less digits than its factorization.

2102681670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70089399.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2102681670 is about 45855.0070330384. The cubic root of 2102681670 is about 1281.1240268929.

The spelling of 2102681670 in words is "two billion, one hundred two million, six hundred eighty-one thousand, six hundred seventy".