4179591803897 has 2 divisors, whose sum is σ = 4179591803898. Its totient is φ = 4179591803896.

The previous prime is 4179591803887. The next prime is 4179591803957. The reversal of 4179591803897 is 7983081959714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2398917736336 + 1780674067561 = 1548844^2 + 1334419^2 .

It is a cyclic number.

It is not a de Polignac number, because 4179591803897 - 2²⁴ = 4179575026681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4179591803897.

It is not a weakly prime, because it can be changed into another prime (4179591803887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2089795901948 + 2089795901949.

It is an arithmetic number, because the mean of its divisors is an integer number (2089795901949).

Almost surely, 2^{4179591803897} is an apocalyptic number.

It is an amenable number.

4179591803897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4179591803897 is an equidigital number, since it uses as much as digits as its factorization.

4179591803897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137168640, while the sum is 71.

The spelling of 4179591803897 in words is "four trillion, one hundred seventy-nine billion, five hundred ninety-one million, eight hundred three thousand, eight hundred ninety-seven".