260442019 has 2 divisors, whose sum is σ = 260442020. Its totient is φ = 260442018.

The previous prime is 260441999. The next prime is 260442029. The reversal of 260442019 is 910244062.

260442019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260442019 - 2⁹ = 260441507 is a prime.

It is a super-2 number, since 2×260442019² = 135660090521592722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260442029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130221009 + 130221010.

It is an arithmetic number, because the mean of its divisors is an integer number (130221010).

Almost surely, 2^260442019 is an apocalyptic number.

260442019 is a deficient number, since it is larger than the sum of its proper divisors (1).

260442019 is an equidigital number, since it uses as much as digits as its factorization.

260442019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 260442019 is about 16138.2161033988. The cubic root of 260442019 is about 638.6119159032.

The spelling of 260442019 in words is "two hundred sixty million, four hundred forty-two thousand, nineteen".