27298256819 has 2 divisors, whose sum is σ = 27298256820. Its totient is φ = 27298256818.

The previous prime is 27298256803. The next prime is 27298256833. The reversal of 27298256819 is 91865289272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27298256819 - 2⁴ = 27298256803 is a prime.

It is a super-2 number, since 2×27298256819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27298252819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13649128409 + 13649128410.

It is an arithmetic number, because the mean of its divisors is an integer number (13649128410).

Almost surely, 2^27298256819 is an apocalyptic number.

27298256819 is a deficient number, since it is larger than the sum of its proper divisors (1).

27298256819 is an equidigital number, since it uses as much as digits as its factorization.

27298256819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 59.

The spelling of 27298256819 in words is "twenty-seven billion, two hundred ninety-eight million, two hundred fifty-six thousand, eight hundred nineteen".