2543445214434 has 12 divisors (see below), whose sum is σ = 5510797964646. Its totient is φ = 847815071472.

The previous prime is 2543445214421. The next prime is 2543445214447. The reversal of 2543445214434 is 4344125443452.

2543445214434 is a `hidden beast` number, since 2 + 5 + 43 + 44 + 521 + 4 + 43 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2543445214421) and next prime (2543445214447).

It can be written as a sum of positive squares in only one way, i.e., 1581972795225 + 961472419209 = 1257765^2 + 980547^2 .

It is a super-2 number, since 2×2543445214434² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2543445214434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70651255939 + ... + 70651255974.

Almost surely, 2^{2543445214434} is an apocalyptic number.

2543445214434 is an abundant number, since it is smaller than the sum of its proper divisors (2967352750212).

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

2543445214434 is a wasteful number, since it uses less digits than its factorization.

2543445214434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141302511921 (or 141302511918 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 45.

The spelling of 2543445214434 in words is "two trillion, five hundred forty-three billion, four hundred forty-five million, two hundred fourteen thousand, four hundred thirty-four".