245043223996019 has 2 divisors, whose sum is σ = 245043223996020. Its totient is φ = 245043223996018.

The previous prime is 245043223996001. The next prime is 245043223996157. The reversal of 245043223996019 is 910699322340542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245043223996019 - 2⁴⁰ = 243943712368243 is a prime.

It is a super-2 number, since 2×245043223996019² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245043223996919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122521611998009 + 122521611998010.

It is an arithmetic number, because the mean of its divisors is an integer number (122521611998010).

Almost surely, 2^{245043223996019} is an apocalyptic number.

245043223996019 is a deficient number, since it is larger than the sum of its proper divisors (1).

245043223996019 is an equidigital number, since it uses as much as digits as its factorization.

245043223996019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 245043223996019 in words is "two hundred forty-five trillion, forty-three billion, two hundred twenty-three million, nine hundred ninety-six thousand, nineteen".