1351637312693 has 2 divisors, whose sum is σ = 1351637312694. Its totient is φ = 1351637312692.

The previous prime is 1351637312687. The next prime is 1351637312731. The reversal of 1351637312693 is 3962137361531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831959245924 + 519678066769 = 912118^2 + 720887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351637312693 - 2¹² = 1351637308597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351637312603) 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, 675818656346 + 675818656347.

It is an arithmetic number, because the mean of its divisors is an integer number (675818656347).

Almost surely, 2^{1351637312693} is an apocalyptic number.

It is an amenable number.

1351637312693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351637312693 is an equidigital number, since it uses as much as digits as its factorization.

1351637312693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 50.

The spelling of 1351637312693 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-seven million, three hundred twelve thousand, six hundred ninety-three".