2421683987 has 2 divisors, whose sum is σ = 2421683988. Its totient is φ = 2421683986.

The previous prime is 2421683963. The next prime is 2421684011. The reversal of 2421683987 is 7893861242.

It is a balanced prime because it is at equal distance from previous prime (2421683963) and next prime (2421684011).

It is a cyclic number.

It is not a de Polignac number, because 2421683987 - 2²⁰ = 2420635411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421686987) 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, 1210841993 + 1210841994.

It is an arithmetic number, because the mean of its divisors is an integer number (1210841994).

Almost surely, 2^2421683987 is an apocalyptic number.

2421683987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421683987 is an equidigital number, since it uses as much as digits as its factorization.

2421683987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 2421683987 is about 49210.6084802860. The cubic root of 2421683987 is about 1342.8860324580.

The spelling of 2421683987 in words is "two billion, four hundred twenty-one million, six hundred eighty-three thousand, nine hundred eighty-seven".