2513900878 has 4 divisors (see below), whose sum is σ = 3770851320. Its totient is φ = 1256950438.

The previous prime is 2513900869. The next prime is 2513900911. The reversal of 2513900878 is 8780093152.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628475218 + ... + 628475221.

It is an arithmetic number, because the mean of its divisors is an integer number (942712830).

Almost surely, 2^2513900878 is an apocalyptic number.

2513900878 is a deficient number, since it is larger than the sum of its proper divisors (1256950442).

2513900878 is a wasteful number, since it uses less digits than its factorization.

2513900878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256950441.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2513900878 is about 50138.8160809567. The cubic root of 2513900878 is about 1359.7196794653.

The spelling of 2513900878 in words is "two billion, five hundred thirteen million, nine hundred thousand, eight hundred seventy-eight".