2100652278 has 32 divisors (see below), whose sum is σ = 4227924480. Its totient is φ = 695792160.

The previous prime is 2100652271. The next prime is 2100652283. The reversal of 2100652278 is 8722560012.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100652271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314576 + ... + 1316172.

It is an arithmetic number, because the mean of its divisors is an integer number (132122640).

Almost surely, 2^2100652278 is an apocalyptic number.

2100652278 is an abundant number, since it is smaller than the sum of its proper divisors (2127272202).

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

2100652278 is a wasteful number, since it uses less digits than its factorization.

2100652278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2100652278 is about 45832.8733334492. The cubic root of 2100652278 is about 1280.7117375507.

The spelling of 2100652278 in words is "two billion, one hundred million, six hundred fifty-two thousand, two hundred seventy-eight".