4021444102097 has 2 divisors, whose sum is σ = 4021444102098. Its totient is φ = 4021444102096.

The previous prime is 4021444102069. The next prime is 4021444102129. The reversal of 4021444102097 is 7902014441204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2244771041536 + 1776673060561 = 1498256^2 + 1332919^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021444102097 - 2³⁰ = 4020370360273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021444102097.

It is not a weakly prime, because it can be changed into another prime (4021444102397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722051048 + 2010722051049.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722051049).

Almost surely, 2^{4021444102097} is an apocalyptic number.

It is an amenable number.

4021444102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444102097 is an equidigital number, since it uses as much as digits as its factorization.

4021444102097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 4021444102097 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred two thousand, ninety-seven".