4990987907 has 2 divisors, whose sum is σ = 4990987908. Its totient is φ = 4990987906.

The previous prime is 4990987889. The next prime is 4990987931. The reversal of 4990987907 is 7097890994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4990987907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4990987907.

It is not a weakly prime, because it can be changed into another prime (4990987207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495493953 + 2495493954.

It is an arithmetic number, because the mean of its divisors is an integer number (2495493954).

Almost surely, 2^4990987907 is an apocalyptic number.

4990987907 is a deficient number, since it is larger than the sum of its proper divisors (1).

4990987907 is an equidigital number, since it uses as much as digits as its factorization.

4990987907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 4990987907 is about 70646.9242571819. The cubic root of 4990987907 is about 1708.9479646605.

The spelling of 4990987907 in words is "four billion, nine hundred ninety million, nine hundred eighty-seven thousand, nine hundred seven".