2043669255554 has 32 divisors (see below), whose sum is σ = 3443563653120. Its totient is φ = 903935386368.

The previous prime is 2043669255517. The next prime is 2043669255599. The reversal of 2043669255554 is 4555529663402.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043669255554.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12372977 + ... + 12537060.

It is an arithmetic number, because the mean of its divisors is an integer number (107611364160).

Almost surely, 2^{2043669255554} is an apocalyptic number.

2043669255554 is a deficient number, since it is larger than the sum of its proper divisors (1399894397566).

2043669255554 is a wasteful number, since it uses less digits than its factorization.

2043669255554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24910202.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 2043669255554 in words is "two trillion, forty-three billion, six hundred sixty-nine million, two hundred fifty-five thousand, five hundred fifty-four".