215465030219 has 2 divisors, whose sum is σ = 215465030220. Its totient is φ = 215465030218.

The previous prime is 215465030173. The next prime is 215465030233. The reversal of 215465030219 is 912030564512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215465030219 is a prime.

It is a super-2 number, since 2×215465030219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (215465030279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107732515109 + 107732515110.

It is an arithmetic number, because the mean of its divisors is an integer number (107732515110).

Almost surely, 2^215465030219 is an apocalyptic number.

215465030219 is a deficient number, since it is larger than the sum of its proper divisors (1).

215465030219 is an equidigital number, since it uses as much as digits as its factorization.

215465030219 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 38.

The spelling of 215465030219 in words is "two hundred fifteen billion, four hundred sixty-five million, thirty thousand, two hundred nineteen".