27220416919 has 2 divisors, whose sum is σ = 27220416920. Its totient is φ = 27220416918.

The previous prime is 27220416913. The next prime is 27220416961. The reversal of 27220416919 is 91961402272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27220416919 - 2¹⁹ = 27219892631 is a prime.

It is a super-2 number, since 2×27220416919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27220416913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13610208459 + 13610208460.

It is an arithmetic number, because the mean of its divisors is an integer number (13610208460).

Almost surely, 2^27220416919 is an apocalyptic number.

27220416919 is a deficient number, since it is larger than the sum of its proper divisors (1).

27220416919 is an equidigital number, since it uses as much as digits as its factorization.

27220416919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 27220416919 in words is "twenty-seven billion, two hundred twenty million, four hundred sixteen thousand, nine hundred nineteen".