2013699690 has 96 divisors (see below), whose sum is σ = 5447856960. Its totient is φ = 535175424.

The previous prime is 2013699689. The next prime is 2013699697. The reversal of 2013699690 is 969963102.

It is a happy number.

It is a super-2 number, since 2×2013699690² = 8109972883012192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2013699697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817681 + ... + 820139.

It is an arithmetic number, because the mean of its divisors is an integer number (56748510).

Almost surely, 2^2013699690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013699690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2723928480).

2013699690 is an abundant number, since it is smaller than the sum of its proper divisors (3434157270).

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

2013699690 is a wasteful number, since it uses less digits than its factorization.

2013699690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 2013699690 is about 44874.2653421758. The cubic root of 2013699690 is about 1262.7912609709.

The spelling of 2013699690 in words is "two billion, thirteen million, six hundred ninety-nine thousand, six hundred ninety".