2218573570738 has 64 divisors (see below), whose sum is σ = 3941445381120. Its totient is φ = 916392153600.

The previous prime is 2218573570699. The next prime is 2218573570769. The reversal of 2218573570738 is 8370753758122.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897117070 + ... + 897119542.

It is an arithmetic number, because the mean of its divisors is an integer number (61585084080).

Almost surely, 2^{2218573570738} is an apocalyptic number.

2218573570738 is a deficient number, since it is larger than the sum of its proper divisors (1722871810382).

2218573570738 is a wasteful number, since it uses less digits than its factorization.

2218573570738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563.

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 2218573570738 in words is "two trillion, two hundred eighteen billion, five hundred seventy-three million, five hundred seventy thousand, seven hundred thirty-eight".