4196639044901 has 4 divisors (see below), whose sum is σ = 4196683244172. Its totient is φ = 4196594845632.

The previous prime is 4196639044861. The next prime is 4196639044921. The reversal of 4196639044901 is 1094409366914.

It is a Cunningham number, because it is equal to 2048570²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4145809087876 + 50829957025 = 2036126^2 + 225455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4196639044901 - 2¹⁸ = 4196638782757 is a prime.

It is a super-2 number, since 2×4196639044901² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4196639044921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21956906 + ... + 22147211.

It is an arithmetic number, because the mean of its divisors is an integer number (1049170811043).

Almost surely, 2^{4196639044901} is an apocalyptic number.

It is an amenable number.

4196639044901 is a deficient number, since it is larger than the sum of its proper divisors (44199271).

4196639044901 is an equidigital number, since it uses as much as digits as its factorization.

4196639044901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44199270.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 4196639044901 in words is "four trillion, one hundred ninety-six billion, six hundred thirty-nine million, forty-four thousand, nine hundred one".