2126642352650 has 12 divisors (see below), whose sum is σ = 3955554776022. Its totient is φ = 850656941040.

The previous prime is 2126642352623. The next prime is 2126642352671. The reversal of 2126642352650 is 562532466212.

It can be written as a sum of positive squares in 3 ways, for example, as 1642670298889 + 483972053761 = 1281667^2 + 695681^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 21266423477 + ... + 21266423576.

Almost surely, 2^{2126642352650} is an apocalyptic number.

2126642352650 is a deficient number, since it is larger than the sum of its proper divisors (1828912423372).

2126642352650 is a wasteful number, since it uses less digits than its factorization.

2126642352650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42532847065 (or 42532847060 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 2126642352650 in words is "two trillion, one hundred twenty-six billion, six hundred forty-two million, three hundred fifty-two thousand, six hundred fifty".