2134605251643 has 32 divisors (see below), whose sum is σ = 2929150957824. Its totient is φ = 1381896000000.

The previous prime is 2134605251567. The next prime is 2134605251741. The reversal of 2134605251643 is 3461525064312.

It is not a de Polignac number, because 2134605251643 - 2¹⁸ = 2134604989499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134605251595 and 2134605251604.

It is not an unprimeable number, because it can be changed into a prime (2134605259643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47243983 + ... + 47289143.

It is an arithmetic number, because the mean of its divisors is an integer number (91535967432).

Almost surely, 2^{2134605251643} is an apocalyptic number.

2134605251643 is a deficient number, since it is larger than the sum of its proper divisors (794545706181).

2134605251643 is a wasteful number, since it uses less digits than its factorization.

2134605251643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46987.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 2134605251643 in words is "two trillion, one hundred thirty-four billion, six hundred five million, two hundred fifty-one thousand, six hundred forty-three".