2421431335387 has 2 divisors, whose sum is σ = 2421431335388. Its totient is φ = 2421431335386.

The previous prime is 2421431335363. The next prime is 2421431335451. The reversal of 2421431335387 is 7835331341242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421431335387 - 2¹⁹ = 2421430811099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421431335327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210715667693 + 1210715667694.

It is an arithmetic number, because the mean of its divisors is an integer number (1210715667694).

Almost surely, 2^{2421431335387} is an apocalyptic number.

2421431335387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421431335387 is an equidigital number, since it uses as much as digits as its factorization.

2421431335387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 46.

The spelling of 2421431335387 in words is "two trillion, four hundred twenty-one billion, four hundred thirty-one million, three hundred thirty-five thousand, three hundred eighty-seven".