2698145670 has 64 divisors (see below), whose sum is σ = 7129140480. Its totient is φ = 648086400.

The previous prime is 2698145609. The next prime is 2698145689. The reversal of 2698145670 is 765418962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1536 + ... + 73475.

It is an arithmetic number, because the mean of its divisors is an integer number (111392820).

Almost surely, 2^2698145670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2698145670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3564570240).

2698145670 is an abundant number, since it is smaller than the sum of its proper divisors (4430994810).

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

2698145670 is a wasteful number, since it uses less digits than its factorization.

2698145670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75141.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 2698145670 is about 51943.6778636246. The cubic root of 2698145670 is about 1392.1577979142.

The spelling of 2698145670 in words is "two billion, six hundred ninety-eight million, one hundred forty-five thousand, six hundred seventy".