2143242014434 has 16 divisors (see below), whose sum is σ = 3466604544480. Its totient is φ = 990458439840.

The previous prime is 2143242014359. The next prime is 2143242014447. The reversal of 2143242014434 is 4344102423412.

It is a super-2 number, since 2×2143242014434² (a number of 25 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 2143242014434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687816804 + ... + 687819919.

It is an arithmetic number, because the mean of its divisors is an integer number (216662784030).

Almost surely, 2^{2143242014434} is an apocalyptic number.

2143242014434 is a deficient number, since it is larger than the sum of its proper divisors (1323362530046).

2143242014434 is a wasteful number, since it uses less digits than its factorization.

2143242014434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375636785.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 2143242014434 its reverse (4344102423412), we get a palindrome (6487344437846).

The spelling of 2143242014434 in words is "two trillion, one hundred forty-three billion, two hundred forty-two million, fourteen thousand, four hundred thirty-four".