2043456543402 has 16 divisors (see below), whose sum is σ = 4227841124640. Its totient is φ = 657664174832.

The previous prime is 2043456543367. The next prime is 2043456543407.

It is a happy number.

2043456543402 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2043456543407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872001388 + ... + 5872001735.

It is an arithmetic number, because the mean of its divisors is an integer number (264240070290).

Almost surely, 2^{2043456543402} is an apocalyptic number.

2043456543402 is an abundant number, since it is smaller than the sum of its proper divisors (2184384581238).

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

2043456543402 is a wasteful number, since it uses less digits than its factorization.

2043456543402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744003157.

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 2043456543402 in words is "two trillion, forty-three billion, four hundred fifty-six million, five hundred forty-three thousand, four hundred two".