6459684315197 has 2 divisors, whose sum is σ = 6459684315198. Its totient is φ = 6459684315196.

The previous prime is 6459684315187. The next prime is 6459684315229. The reversal of 6459684315197 is 7915134869546.

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., 6337398421561 + 122285893636 = 2517419^2 + 349694^2 .

It is a cyclic number.

It is not a de Polignac number, because 6459684315197 - 2²⁶ = 6459617206333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6459684315137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3229842157598 + 3229842157599.

It is an arithmetic number, because the mean of its divisors is an integer number (3229842157599).

Almost surely, 2^{6459684315197} is an apocalyptic number.

It is an amenable number.

6459684315197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6459684315197 is an equidigital number, since it uses as much as digits as its factorization.

6459684315197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195955200, while the sum is 68.

The spelling of 6459684315197 in words is "six trillion, four hundred fifty-nine billion, six hundred eighty-four million, three hundred fifteen thousand, one hundred ninety-seven".