2068699824 has 120 divisors (see below), whose sum is σ = 6043936080. Its totient is φ = 684972288.

The previous prime is 2068699823. The next prime is 2068699939. The reversal of 2068699824 is 4289968602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2068699823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 608722 + ... + 612110.

It is an arithmetic number, because the mean of its divisors is an integer number (50366134).

Almost surely, 2^2068699824 is an apocalyptic number.

2068699824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2068699824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3021968040).

2068699824 is an abundant number, since it is smaller than the sum of its proper divisors (3975236256).

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

2068699824 is a wasteful number, since it uses less digits than its factorization.

2068699824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 2068699824 is about 45482.9619088291. The cubic root of 2068699824 is about 1274.1850127305.

The spelling of 2068699824 in words is "two billion, sixty-eight million, six hundred ninety-nine thousand, eight hundred twenty-four".