893936242639369 has 2 divisors, whose sum is σ = 893936242639370. Its totient is φ = 893936242639368.

The previous prime is 893936242639327. The next prime is 893936242639403. The reversal of 893936242639369 is 963936242639398.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637077539756025 + 256858702883344 = 25240395^2 + 16026812^2 .

It is a cyclic number.

It is not a de Polignac number, because 893936242639369 - 2¹³ = 893936242631177 is a prime.

It is a super-2 number, since 2×893936242639369² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 893936242639292 and 893936242639301.

It is not a weakly prime, because it can be changed into another prime (893936242639169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446968121319684 + 446968121319685.

It is an arithmetic number, because the mean of its divisors is an integer number (446968121319685).

Almost surely, 2^{893936242639369} is an apocalyptic number.

It is an amenable number.

893936242639369 is a deficient number, since it is larger than the sum of its proper divisors (1).

893936242639369 is an equidigital number, since it uses as much as digits as its factorization.

893936242639369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14693280768, while the sum is 82.

The spelling of 893936242639369 in words is "eight hundred ninety-three trillion, nine hundred thirty-six billion, two hundred forty-two million, six hundred thirty-nine thousand, three hundred sixty-nine".