215465030233 has 2 divisors, whose sum is σ = 215465030234. Its totient is φ = 215465030232.

The previous prime is 215465030219. The next prime is 215465030279. The reversal of 215465030233 is 332030564512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215441720649 + 23309584 = 464157^2 + 4828^2 .

It is a cyclic number.

It is not a de Polignac number, because 215465030233 - 2²⁹ = 214928159321 is a prime.

It is not a weakly prime, because it can be changed into another prime (215465030293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107732515116 + 107732515117.

It is an arithmetic number, because the mean of its divisors is an integer number (107732515117).

Almost surely, 2^215465030233 is an apocalyptic number.

It is an amenable number.

215465030233 is a deficient number, since it is larger than the sum of its proper divisors (1).

215465030233 is an equidigital number, since it uses as much as digits as its factorization.

215465030233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 215465030233 its reverse (332030564512), we get a palindrome (547495594745).

The spelling of 215465030233 in words is "two hundred fifteen billion, four hundred sixty-five million, thirty thousand, two hundred thirty-three".