1351436603653 has 2 divisors, whose sum is σ = 1351436603654. Its totient is φ = 1351436603652.

The previous prime is 1351436603639. The next prime is 1351436603663. The reversal of 1351436603653 is 3563066341531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329782598244 + 21654005409 = 1153162^2 + 147153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351436603653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351436603633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675718301826 + 675718301827.

It is an arithmetic number, because the mean of its divisors is an integer number (675718301827).

Almost surely, 2^{1351436603653} is an apocalyptic number.

It is an amenable number.

1351436603653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351436603653 is an equidigital number, since it uses as much as digits as its factorization.

1351436603653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 1351436603653 in words is "one trillion, three hundred fifty-one billion, four hundred thirty-six million, six hundred three thousand, six hundred fifty-three".