1356650311693 has 2 divisors, whose sum is σ = 1356650311694. Its totient is φ = 1356650311692.

The previous prime is 1356650311663. The next prime is 1356650311739. The reversal of 1356650311693 is 3961130566531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310010726249 + 46639585444 = 1144557^2 + 215962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356650311693 - 2¹³ = 1356650303501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356650311613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678325155846 + 678325155847.

It is an arithmetic number, because the mean of its divisors is an integer number (678325155847).

Almost surely, 2^{1356650311693} is an apocalyptic number.

It is an amenable number.

1356650311693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356650311693 is an equidigital number, since it uses as much as digits as its factorization.

1356650311693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 49.

The spelling of 1356650311693 in words is "one trillion, three hundred fifty-six billion, six hundred fifty million, three hundred eleven thousand, six hundred ninety-three".