216017917212337 has 2 divisors, whose sum is σ = 216017917212338. Its totient is φ = 216017917212336.

The previous prime is 216017917212281. The next prime is 216017917212341. The reversal of 216017917212337 is 733212719710612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173408760162576 + 42609157049761 = 13168476^2 + 6527569^2 .

It is a cyclic number.

It is not a de Polignac number, because 216017917212337 - 2²⁷ = 216017782994609 is a prime.

It is not a weakly prime, because it can be changed into another prime (216017917212347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108008958606168 + 108008958606169.

It is an arithmetic number, because the mean of its divisors is an integer number (108008958606169).

Almost surely, 2^{216017917212337} is an apocalyptic number.

It is an amenable number.

216017917212337 is a deficient number, since it is larger than the sum of its proper divisors (1).

216017917212337 is an equidigital number, since it uses as much as digits as its factorization.

216017917212337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 216017917212337 in words is "two hundred sixteen trillion, seventeen billion, nine hundred seventeen million, two hundred twelve thousand, three hundred thirty-seven".