4217172576497 has 2 divisors, whose sum is σ = 4217172576498. Its totient is φ = 4217172576496.

The previous prime is 4217172576451. The next prime is 4217172576553. The reversal of 4217172576497 is 7946752717124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439441020641 + 1777731555856 = 1561871^2 + 1333316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4217172576497 is a prime.

It is not a weakly prime, because it can be changed into another prime (4217172576797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108586288248 + 2108586288249.

It is an arithmetic number, because the mean of its divisors is an integer number (2108586288249).

Almost surely, 2^{4217172576497} is an apocalyptic number.

It is an amenable number.

4217172576497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4217172576497 is an equidigital number, since it uses as much as digits as its factorization.

4217172576497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41489280, while the sum is 62.

The spelling of 4217172576497 in words is "four trillion, two hundred seventeen billion, one hundred seventy-two million, five hundred seventy-six thousand, four hundred ninety-seven".