4004599999987 has 2 divisors, whose sum is σ = 4004599999988. Its totient is φ = 4004599999986.

The previous prime is 4004599999979. The next prime is 4004600000041. The reversal of 4004599999987 is 7899999954004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4004599999987 - 2³ = 4004599999979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4004599999987.

It is not a weakly prime, because it can be changed into another prime (4004599999957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002299999993 + 2002299999994.

It is an arithmetic number, because the mean of its divisors is an integer number (2002299999994).

Almost surely, 2^{4004599999987} is an apocalyptic number.

4004599999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004599999987 is an equidigital number, since it uses as much as digits as its factorization.

4004599999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2380855680, while the sum is 82.

The spelling of 4004599999987 in words is "four trillion, four billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-seven".