1553366847353 has 2 divisors, whose sum is σ = 1553366847354. Its totient is φ = 1553366847352.

The previous prime is 1553366847269. The next prime is 1553366847377. The reversal of 1553366847353 is 3537486633551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905900396944 + 647466450409 = 951788^2 + 804653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553366847353 - 2¹⁸ = 1553366585209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553366847292 and 1553366847301.

It is not a weakly prime, because it can be changed into another prime (1553366847953) 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, 776683423676 + 776683423677.

It is an arithmetic number, because the mean of its divisors is an integer number (776683423677).

Almost surely, 2^{1553366847353} is an apocalyptic number.

It is an amenable number.

1553366847353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553366847353 is an equidigital number, since it uses as much as digits as its factorization.

1553366847353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648000, while the sum is 59.

The spelling of 1553366847353 in words is "one trillion, five hundred fifty-three billion, three hundred sixty-six million, eight hundred forty-seven thousand, three hundred fifty-three".