1351633451593 has 2 divisors, whose sum is σ = 1351633451594. Its totient is φ = 1351633451592.

The previous prime is 1351633451543. The next prime is 1351633451639. The reversal of 1351633451593 is 3951543361531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792050160784 + 559583290809 = 889972^2 + 748053^2 .

It is an emirp because it is prime and its reverse (3951543361531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351633451593 - 2²⁵ = 1351599897161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351633451533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675816725796 + 675816725797.

It is an arithmetic number, because the mean of its divisors is an integer number (675816725797).

Almost surely, 2^{1351633451593} is an apocalyptic number.

It is an amenable number.

1351633451593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351633451593 is an equidigital number, since it uses as much as digits as its factorization.

1351633451593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187000, while the sum is 49.

The spelling of 1351633451593 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred fifty-one thousand, five hundred ninety-three".