215045410469 has 2 divisors, whose sum is σ = 215045410470. Its totient is φ = 215045410468.

The previous prime is 215045410429. The next prime is 215045410513. The reversal of 215045410469 is 964014540512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168534880900 + 46510529569 = 410530^2 + 215663^2 .

It is a cyclic number.

It is not a de Polignac number, because 215045410469 - 2²⁸ = 214776975013 is a prime.

It is a super-2 number, since 2×215045410469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215045410409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107522705234 + 107522705235.

It is an arithmetic number, because the mean of its divisors is an integer number (107522705235).

Almost surely, 2^215045410469 is an apocalyptic number.

It is an amenable number.

215045410469 is a deficient number, since it is larger than the sum of its proper divisors (1).

215045410469 is an equidigital number, since it uses as much as digits as its factorization.

215045410469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 215045410469 in words is "two hundred fifteen billion, forty-five million, four hundred ten thousand, four hundred sixty-nine".