4408978571197 has 2 divisors, whose sum is σ = 4408978571198. Its totient is φ = 4408978571196.

The previous prime is 4408978571177. The next prime is 4408978571243. The reversal of 4408978571197 is 7911758798044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3833427231396 + 575551339801 = 1957914^2 + 758651^2 .

It is a cyclic number.

It is not a de Polignac number, because 4408978571197 - 2¹⁵ = 4408978538429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4408978571147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204489285598 + 2204489285599.

It is an arithmetic number, because the mean of its divisors is an integer number (2204489285599).

Almost surely, 2^{4408978571197} is an apocalyptic number.

It is an amenable number.

4408978571197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4408978571197 is an equidigital number, since it uses as much as digits as its factorization.

4408978571197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142248960, while the sum is 70.

The spelling of 4408978571197 in words is "four trillion, four hundred eight billion, nine hundred seventy-eight million, five hundred seventy-one thousand, one hundred ninety-seven".