1356341797 has 2 divisors, whose sum is σ = 1356341798. Its totient is φ = 1356341796.

The previous prime is 1356341711. The next prime is 1356341807. The reversal of 1356341797 is 7971436531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702568036 + 653773761 = 26506^2 + 25569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356341797 - 2¹⁹ = 1355817509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356321797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678170898 + 678170899.

It is an arithmetic number, because the mean of its divisors is an integer number (678170899).

Almost surely, 2^1356341797 is an apocalyptic number.

It is an amenable number.

1356341797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356341797 is an equidigital number, since it uses as much as digits as its factorization.

1356341797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 1356341797 is about 36828.5459528339. The cubic root of 1356341797 is about 1106.9373674391.

The spelling of 1356341797 in words is "one billion, three hundred fifty-six million, three hundred forty-one thousand, seven hundred ninety-seven".