2421440212987 has 2 divisors, whose sum is σ = 2421440212988. Its totient is φ = 2421440212986.

The previous prime is 2421440212981. The next prime is 2421440213009. The reversal of 2421440212987 is 7892120441242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421440212987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421440212981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210720106493 + 1210720106494.

It is an arithmetic number, because the mean of its divisors is an integer number (1210720106494).

Almost surely, 2^{2421440212987} is an apocalyptic number.

2421440212987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421440212987 is an equidigital number, since it uses as much as digits as its factorization.

2421440212987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 2421440212987 in words is "two trillion, four hundred twenty-one billion, four hundred forty million, two hundred twelve thousand, nine hundred eighty-seven".