65215232419 has 2 divisors, whose sum is σ = 65215232420. Its totient is φ = 65215232418.

The previous prime is 65215232281. The next prime is 65215232443. The reversal of 65215232419 is 91423251256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65215232419 - 2¹³ = 65215224227 is a prime.

It is a super-2 number, since 2×65215232419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65215232449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32607616209 + 32607616210.

It is an arithmetic number, because the mean of its divisors is an integer number (32607616210).

Almost surely, 2^65215232419 is an apocalyptic number.

65215232419 is a deficient number, since it is larger than the sum of its proper divisors (1).

65215232419 is an equidigital number, since it uses as much as digits as its factorization.

65215232419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The spelling of 65215232419 in words is "sixty-five billion, two hundred fifteen million, two hundred thirty-two thousand, four hundred nineteen".