8440004899 has 2 divisors, whose sum is σ = 8440004900. Its totient is φ = 8440004898.

The previous prime is 8440004891. The next prime is 8440004987. The reversal of 8440004899 is 9984000448.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8440004899 - 2³ = 8440004891 is a prime.

It is not a weakly prime, because it can be changed into another prime (8440004891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220002449 + 4220002450.

It is an arithmetic number, because the mean of its divisors is an integer number (4220002450).

Almost surely, 2^8440004899 is an apocalyptic number.

8440004899 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440004899 is an equidigital number, since it uses as much as digits as its factorization.

8440004899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 8440004899 is about 91869.4992856715. The cubic root of 8440004899 is about 2036.0146544974.

The spelling of 8440004899 in words is "eight billion, four hundred forty million, four thousand, eight hundred ninety-nine".