1553244616019 has 2 divisors, whose sum is σ = 1553244616020. Its totient is φ = 1553244616018.

The previous prime is 1553244615983. The next prime is 1553244616051. The reversal of 1553244616019 is 9106164423551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1553244616019 is a prime.

It is a super-2 number, since 2×1553244616019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1553244610019) 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, 776622308009 + 776622308010.

It is an arithmetic number, because the mean of its divisors is an integer number (776622308010).

Almost surely, 2^{1553244616019} is an apocalyptic number.

1553244616019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553244616019 is an equidigital number, since it uses as much as digits as its factorization.

1553244616019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1553244616019 in words is "one trillion, five hundred fifty-three billion, two hundred forty-four million, six hundred sixteen thousand, nineteen".