8446988819 has 2 divisors, whose sum is σ = 8446988820. Its totient is φ = 8446988818.

The previous prime is 8446988807. The next prime is 8446988827. The reversal of 8446988819 is 9188896448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8446988819 - 2¹² = 8446984723 is a prime.

It is a super-2 number, since 2×8446988819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8446988839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4223494409 + 4223494410.

It is an arithmetic number, because the mean of its divisors is an integer number (4223494410).

Almost surely, 2^8446988819 is an apocalyptic number.

8446988819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8446988819 is an equidigital number, since it uses as much as digits as its factorization.

8446988819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 65.

The square root of 8446988819 is about 91907.5014294263. The cubic root of 8446988819 is about 2036.5760855774.

The spelling of 8446988819 in words is "eight billion, four hundred forty-six million, nine hundred eighty-eight thousand, eight hundred nineteen".