2173724814459 has 16 divisors (see below), whose sum is σ = 3166939459584. Its totient is φ = 1315259848800.

The previous prime is 2173724814431. The next prime is 2173724814461. The reversal of 2173724814459 is 9544184273712.

It is not a de Polignac number, because 2173724814459 - 2¹¹ = 2173724812411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2173724814399 and 2173724814408.

It is not an unprimeable number, because it can be changed into a prime (2173724814409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53707707 + ... + 53748164.

It is an arithmetic number, because the mean of its divisors is an integer number (197933716224).

Almost surely, 2^{2173724814459} is an apocalyptic number.

2173724814459 is a deficient number, since it is larger than the sum of its proper divisors (993214645125).

2173724814459 is a wasteful number, since it uses less digits than its factorization.

2173724814459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107456498.

The product of its digits is 13547520, while the sum is 57.

The spelling of 2173724814459 in words is "two trillion, one hundred seventy-three billion, seven hundred twenty-four million, eight hundred fourteen thousand, four hundred fifty-nine".