272197906819 has 2 divisors, whose sum is σ = 272197906820. Its totient is φ = 272197906818.

The previous prime is 272197906789. The next prime is 272197906873. The reversal of 272197906819 is 918609791272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272197906819 - 2⁷ = 272197906691 is a prime.

It is a super-2 number, since 2×272197906819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272197906889) 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, 136098953409 + 136098953410.

It is an arithmetic number, because the mean of its divisors is an integer number (136098953410).

Almost surely, 2^272197906819 is an apocalyptic number.

272197906819 is a deficient number, since it is larger than the sum of its proper divisors (1).

272197906819 is an equidigital number, since it uses as much as digits as its factorization.

272197906819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 61.

The spelling of 272197906819 in words is "two hundred seventy-two billion, one hundred ninety-seven million, nine hundred six thousand, eight hundred nineteen".