4172491491873 has 8 divisors (see below), whose sum is σ = 5563616436000. Its totient is φ = 2781513771168.

The previous prime is 4172491491827. The next prime is 4172491491907. The reversal of 4172491491873 is 3781941942714.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4172491491873 - 2³² = 4168196524577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4172491491823) 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, 36739708 + ... + 36853101.

It is an arithmetic number, because the mean of its divisors is an integer number (695452054500).

Almost surely, 2^{4172491491873} is an apocalyptic number.

It is an amenable number.

4172491491873 is a deficient number, since it is larger than the sum of its proper divisors (1391124944127).

4172491491873 is a wasteful number, since it uses less digits than its factorization.

4172491491873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73611711.

The product of its digits is 12192768, while the sum is 60.

The spelling of 4172491491873 in words is "four trillion, one hundred seventy-two billion, four hundred ninety-one million, four hundred ninety-one thousand, eight hundred seventy-three".