2421090571987 has 2 divisors, whose sum is σ = 2421090571988. Its totient is φ = 2421090571986.

The previous prime is 2421090571901. The next prime is 2421090572071. The reversal of 2421090571987 is 7891750901242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421090571987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421090571687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210545285993 + 1210545285994.

It is an arithmetic number, because the mean of its divisors is an integer number (1210545285994).

Almost surely, 2^{2421090571987} is an apocalyptic number.

2421090571987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421090571987 is an equidigital number, since it uses as much as digits as its factorization.

2421090571987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 2421090571987 in words is "two trillion, four hundred twenty-one billion, ninety million, five hundred seventy-one thousand, nine hundred eighty-seven".