1368525793 has 2 divisors, whose sum is σ = 1368525794. Its totient is φ = 1368525792.

The previous prime is 1368525791. The next prime is 1368525797. The reversal of 1368525793 is 3975258631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773507344 + 595018449 = 27812^2 + 24393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368525793 - 2¹ = 1368525791 is a prime.

It is a super-3 number, since 3×1368525793³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1368525791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1368525791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684262896 + 684262897.

It is an arithmetic number, because the mean of its divisors is an integer number (684262897).

Almost surely, 2^1368525793 is an apocalyptic number.

It is an amenable number.

1368525793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368525793 is an equidigital number, since it uses as much as digits as its factorization.

1368525793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 1368525793 is about 36993.5912422679. The cubic root of 1368525793 is about 1110.2420252488.

The spelling of 1368525793 in words is "one billion, three hundred sixty-eight million, five hundred twenty-five thousand, seven hundred ninety-three".