5421599657197 has 2 divisors, whose sum is σ = 5421599657198. Its totient is φ = 5421599657196.

The previous prime is 5421599657189. The next prime is 5421599657219. The reversal of 5421599657197 is 7917569951245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3520148954436 + 1901450702761 = 1876206^2 + 1378931^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421599657197 - 2³ = 5421599657189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421549657197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710799828598 + 2710799828599.

It is an arithmetic number, because the mean of its divisors is an integer number (2710799828599).

Almost surely, 2^{5421599657197} is an apocalyptic number.

It is an amenable number.

5421599657197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421599657197 is an equidigital number, since it uses as much as digits as its factorization.

5421599657197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326000, while the sum is 70.

The spelling of 5421599657197 in words is "five trillion, four hundred twenty-one billion, five hundred ninety-nine million, six hundred fifty-seven thousand, one hundred ninety-seven".