215192810419 has 2 divisors, whose sum is σ = 215192810420. Its totient is φ = 215192810418.

The previous prime is 215192810389. The next prime is 215192810447. The reversal of 215192810419 is 914018291512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215192810419 - 2¹¹ = 215192808371 is a prime.

It is a super-2 number, since 2×215192810419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (215192810449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107596405209 + 107596405210.

It is an arithmetic number, because the mean of its divisors is an integer number (107596405210).

Almost surely, 2^215192810419 is an apocalyptic number.

215192810419 is a deficient number, since it is larger than the sum of its proper divisors (1).

215192810419 is an equidigital number, since it uses as much as digits as its factorization.

215192810419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 215192810419 in words is "two hundred fifteen billion, one hundred ninety-two million, eight hundred ten thousand, four hundred nineteen".