2421331019 has 2 divisors, whose sum is σ = 2421331020. Its totient is φ = 2421331018.

The previous prime is 2421330983. The next prime is 2421331061. The reversal of 2421331019 is 9101331242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421331019 - 2⁸ = 2421330763 is a prime.

It is a super-2 number, since 2×2421331019² = 11725687807143156722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2421331069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210665509 + 1210665510.

It is an arithmetic number, because the mean of its divisors is an integer number (1210665510).

Almost surely, 2^2421331019 is an apocalyptic number.

2421331019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421331019 is an equidigital number, since it uses as much as digits as its factorization.

2421331019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2421331019 is about 49207.0220497034. The cubic root of 2421331019 is about 1342.8207860110.

The spelling of 2421331019 in words is "two billion, four hundred twenty-one million, three hundred thirty-one thousand, nineteen".