1356601693 has 2 divisors, whose sum is σ = 1356601694. Its totient is φ = 1356601692.

The previous prime is 1356601657. The next prime is 1356601723. The reversal of 1356601693 is 3961066531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032529689 + 324072004 = 32133^2 + 18002^2 .

It is an emirp because it is prime and its reverse (3961066531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1356601693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356601613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678300846 + 678300847.

It is an arithmetic number, because the mean of its divisors is an integer number (678300847).

Almost surely, 2^1356601693 is an apocalyptic number.

It is an amenable number.

1356601693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356601693 is an equidigital number, since it uses as much as digits as its factorization.

1356601693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1356601693 is about 36832.0742424317. The cubic root of 1356601693 is about 1107.0080650124.

The spelling of 1356601693 in words is "one billion, three hundred fifty-six million, six hundred one thousand, six hundred ninety-three".