2173583140442 has 16 divisors (see below), whose sum is σ = 3726289564800. Its totient is φ = 931498872048.

The previous prime is 2173583140441. The next prime is 2173583140457. The reversal of 2173583140442 is 2440413853712.

It is a junction number, because it is equal to n+sod(n) for n = 2173583140393 and 2173583140402.

It is not an unprimeable number, because it can be changed into a prime (2173583140441) 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, 2694317 + ... + 3406832.

It is an arithmetic number, because the mean of its divisors is an integer number (232893097800).

Almost surely, 2^{2173583140442} is an apocalyptic number.

2173583140442 is a deficient number, since it is larger than the sum of its proper divisors (1552706424358).

2173583140442 is a wasteful number, since it uses less digits than its factorization.

2173583140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126605.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 2173583140442 in words is "two trillion, one hundred seventy-three billion, five hundred eighty-three million, one hundred forty thousand, four hundred forty-two".