2068844355530 has 32 divisors (see below), whose sum is σ = 3751351197264. Its totient is φ = 821442689536.

The previous prime is 2068844355497. The next prime is 2068844355553. The reversal of 2068844355530 is 355534488602.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 121175698609 + 1947668656921 = 348103^2 + 1395589^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25184804 + ... + 25266816.

Almost surely, 2^{2068844355530} is an apocalyptic number.

2068844355530 is a deficient number, since it is larger than the sum of its proper divisors (1682506841734).

2068844355530 is a wasteful number, since it uses less digits than its factorization.

2068844355530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100570.

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 2068844355530 in words is "two trillion, sixty-eight billion, eight hundred forty-four million, three hundred fifty-five thousand, five hundred thirty".