1361974287353 has 2 divisors, whose sum is σ = 1361974287354. Its totient is φ = 1361974287352.

The previous prime is 1361974287343. The next prime is 1361974287397. The reversal of 1361974287353 is 3537824791631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361578595689 + 395691664 = 1166867^2 + 19892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361974287353 - 2²⁰ = 1361973238777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1361974287292 and 1361974287301.

It is not a weakly prime, because it can be changed into another prime (1361974287343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680987143676 + 680987143677.

It is an arithmetic number, because the mean of its divisors is an integer number (680987143677).

Almost surely, 2^{1361974287353} is an apocalyptic number.

It is an amenable number.

1361974287353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361974287353 is an equidigital number, since it uses as much as digits as its factorization.

1361974287353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 59.

The spelling of 1361974287353 in words is "one trillion, three hundred sixty-one billion, nine hundred seventy-four million, two hundred eighty-seven thousand, three hundred fifty-three".