16270278019 has 2 divisors, whose sum is σ = 16270278020. Its totient is φ = 16270278018.

The previous prime is 16270277977. The next prime is 16270278029. The reversal of 16270278019 is 91087207261.

It is a strong prime.

It is an emirp because it is prime and its reverse (91087207261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16270278019 - 2¹⁷ = 16270146947 is a prime.

It is a super-2 number, since 2×16270278019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16270278029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8135139009 + 8135139010.

It is an arithmetic number, because the mean of its divisors is an integer number (8135139010).

Almost surely, 2^16270278019 is an apocalyptic number.

16270278019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16270278019 is an equidigital number, since it uses as much as digits as its factorization.

16270278019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 16270278019 in words is "sixteen billion, two hundred seventy million, two hundred seventy-eight thousand, nineteen".