2513699916 has 144 divisors (see below), whose sum is σ = 7327401984. Its totient is φ = 656667648.

The previous prime is 2513699879. The next prime is 2513699959. The reversal of 2513699916 is 6199963152.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1603365 + ... + 1604931.

It is an arithmetic number, because the mean of its divisors is an integer number (50884736).

Almost surely, 2^2513699916 is an apocalyptic number.

2513699916 is a gapful number since it is divisible by the number (26) 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 2513699916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3663700992).

2513699916 is an abundant number, since it is smaller than the sum of its proper divisors (4813702068).

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

2513699916 is a wasteful number, since it uses less digits than its factorization.

2513699916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1705 counting only the distinct ones).

The product of its digits is 787320, while the sum is 51.

The square root of 2513699916 is about 50136.8119848081. The cubic root of 2513699916 is about 1359.6834463651.

The spelling of 2513699916 in words is "two billion, five hundred thirteen million, six hundred ninety-nine thousand, nine hundred sixteen".