247964788219 has 2 divisors, whose sum is σ = 247964788220. Its totient is φ = 247964788218.

The previous prime is 247964788199. The next prime is 247964788259. The reversal of 247964788219 is 912887469742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247964788219 - 2³⁵ = 213605049851 is a prime.

It is a super-2 number, since 2×247964788219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247964788259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123982394109 + 123982394110.

It is an arithmetic number, because the mean of its divisors is an integer number (123982394110).

Almost surely, 2^247964788219 is an apocalyptic number.

247964788219 is a deficient number, since it is larger than the sum of its proper divisors (1).

247964788219 is an equidigital number, since it uses as much as digits as its factorization.

247964788219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 67.

The spelling of 247964788219 in words is "two hundred forty-seven billion, nine hundred sixty-four million, seven hundred eighty-eight thousand, two hundred nineteen".