1603540456019 has 2 divisors, whose sum is σ = 1603540456020. Its totient is φ = 1603540456018.

The previous prime is 1603540455997. The next prime is 1603540456099. The reversal of 1603540456019 is 9106540453061.

It is a weak prime.

It is an emirp because it is prime and its reverse (9106540453061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1603540456019 is a prime.

It is a super-2 number, since 2×1603540456019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1603540456099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801770228009 + 801770228010.

It is an arithmetic number, because the mean of its divisors is an integer number (801770228010).

Almost surely, 2^{1603540456019} is an apocalyptic number.

1603540456019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603540456019 is an equidigital number, since it uses as much as digits as its factorization.

1603540456019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 1603540456019 in words is "one trillion, six hundred three billion, five hundred forty million, four hundred fifty-six thousand, nineteen".