172473751443 has 16 divisors (see below), whose sum is σ = 263549237760. Its totient is φ = 98281894656.

The previous prime is 172473751421. The next prime is 172473751459. The reversal of 172473751443 is 344157374271.

It is not a de Polignac number, because 172473751443 - 2¹⁸ = 172473489299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172473751392 and 172473751401.

It is not an unprimeable number, because it can be changed into a prime (172473751403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11431230 + ... + 11446307.

It is an arithmetic number, because the mean of its divisors is an integer number (16471827360).

Almost surely, 2^172473751443 is an apocalyptic number.

172473751443 is a deficient number, since it is larger than the sum of its proper divisors (91075486317).

172473751443 is a wasteful number, since it uses less digits than its factorization.

172473751443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22877906.

The product of its digits is 1975680, while the sum is 48.

The spelling of 172473751443 in words is "one hundred seventy-two billion, four hundred seventy-three million, seven hundred fifty-one thousand, four hundred forty-three".