4519687987 has 2 divisors, whose sum is σ = 4519687988. Its totient is φ = 4519687986.

The previous prime is 4519687883. The next prime is 4519688053. The reversal of 4519687987 is 7897869154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4519687987 - 2⁷ = 4519687859 is a prime.

It is a super-2 number, since 2×4519687987² = 40855158999664224338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4519687087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259843993 + 2259843994.

It is an arithmetic number, because the mean of its divisors is an integer number (2259843994).

Almost surely, 2^4519687987 is an apocalyptic number.

4519687987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4519687987 is an equidigital number, since it uses as much as digits as its factorization.

4519687987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 64.

The square root of 4519687987 is about 67228.6247591009. The cubic root of 4519687987 is about 1653.3678364622.

The spelling of 4519687987 in words is "four billion, five hundred nineteen million, six hundred eighty-seven thousand, nine hundred eighty-seven".