2115916828 has 6 divisors (see below), whose sum is σ = 3702854456. Its totient is φ = 1057958412.

The previous prime is 2115916813. The next prime is 2115916861. The reversal of 2115916828 is 8286195112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264489600 + ... + 264489607.

Almost surely, 2^2115916828 is an apocalyptic number.

It is an amenable number.

2115916828 is a deficient number, since it is larger than the sum of its proper divisors (1586937628).

2115916828 is a wasteful number, since it uses less digits than its factorization.

2115916828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528979211 (or 528979209 counting only the distinct ones).

The product of its digits is 69120, while the sum is 43.

The square root of 2115916828 is about 45999.0959476379. The cubic root of 2115916828 is about 1283.8063836252.

The spelling of 2115916828 in words is "two billion, one hundred fifteen million, nine hundred sixteen thousand, eight hundred twenty-eight".