2152705850 has 12 divisors (see below), whose sum is σ = 4004032974. Its totient is φ = 861082320.

The previous prime is 2152705837. The next prime is 2152705853. The reversal of 2152705850 is 585072512.

2152705850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2101397281 + 51308569 = 45841^2 + 7163^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2152705850.

It is not an unprimeable number, because it can be changed into a prime (2152705853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21527009 + ... + 21527108.

Almost surely, 2^2152705850 is an apocalyptic number.

2152705850 is a deficient number, since it is larger than the sum of its proper divisors (1851327124).

2152705850 is a wasteful number, since it uses less digits than its factorization.

2152705850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43054129 (or 43054124 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 2152705850 is about 46397.2612338272. The cubic root of 2152705850 is about 1291.2041017751.

The spelling of 2152705850 in words is "two billion, one hundred fifty-two million, seven hundred five thousand, eight hundred fifty".