10243646554019 has 2 divisors, whose sum is σ = 10243646554020. Its totient is φ = 10243646554018.

The previous prime is 10243646553997. The next prime is 10243646554067. The reversal of 10243646554019 is 91045564634201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243646554019 is a prime.

It is a super-2 number, since 2×10243646554019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10243646554079) 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, 5121823277009 + 5121823277010.

It is an arithmetic number, because the mean of its divisors is an integer number (5121823277010).

Almost surely, 2^{10243646554019} is an apocalyptic number.

10243646554019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243646554019 is an equidigital number, since it uses as much as digits as its factorization.

10243646554019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 10243646554019 in words is "ten trillion, two hundred forty-three billion, six hundred forty-six million, five hundred fifty-four thousand, nineteen".