4195191344401 has 2 divisors, whose sum is σ = 4195191344402. Its totient is φ = 4195191344400.

The previous prime is 4195191344369. The next prime is 4195191344423. The reversal of 4195191344401 is 1044431915914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3407535094401 + 787656250000 = 1845951^2 + 887500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4195191344401 - 2⁵ = 4195191344369 is a prime.

It is a super-2 number, since 2×4195191344401² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4195191344431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097595672200 + 2097595672201.

It is an arithmetic number, because the mean of its divisors is an integer number (2097595672201).

Almost surely, 2^{4195191344401} is an apocalyptic number.

It is an amenable number.

4195191344401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4195191344401 is an equidigital number, since it uses as much as digits as its factorization.

4195191344401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 4195191344401 in words is "four trillion, one hundred ninety-five billion, one hundred ninety-one million, three hundred forty-four thousand, four hundred one".