4172491491807 has 8 divisors (see below), whose sum is σ = 5630349965184. Its totient is φ = 2748147006488.

The previous prime is 4172491491799. The next prime is 4172491491823. The reversal of 4172491491807 is 7081941942714.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4172491491807 - 2³ = 4172491491799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172491491827) 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, 8378496723 + ... + 8378497220.

It is an arithmetic number, because the mean of its divisors is an integer number (703793745648).

Almost surely, 2^{4172491491807} is an apocalyptic number.

4172491491807 is a deficient number, since it is larger than the sum of its proper divisors (1457858473377).

4172491491807 is a wasteful number, since it uses less digits than its factorization.

4172491491807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756994029.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 4172491491807 in words is "four trillion, one hundred seventy-two billion, four hundred ninety-one million, four hundred ninety-one thousand, eight hundred seven".