2513778016 has 24 divisors (see below), whose sum is σ = 4950590400. Its totient is φ = 1256485248.

The previous prime is 2513778011. The next prime is 2513778023. The reversal of 2513778016 is 6108773152.

It is a self number, because there is not a number n which added to its sum of digits gives 2513778016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513778011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105585 + ... + 127183.

It is an arithmetic number, because the mean of its divisors is an integer number (206274600).

Almost surely, 2^2513778016 is an apocalyptic number.

It is an amenable number.

2513778016 is a deficient number, since it is larger than the sum of its proper divisors (2436812384).

2513778016 is a wasteful number, since it uses less digits than its factorization.

2513778016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25246 (or 25238 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 2513778016 is about 50137.5908475866. The cubic root of 2513778016 is about 1359.6975278891.

The spelling of 2513778016 in words is "two billion, five hundred thirteen million, seven hundred seventy-eight thousand, sixteen".