702321142321 has 2 divisors, whose sum is σ = 702321142322. Its totient is φ = 702321142320.

The previous prime is 702321142309. The next prime is 702321142339. The reversal of 702321142321 is 123241123207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608111434225 + 94209708096 = 779815^2 + 306936^2 .

It is an emirp because it is prime and its reverse (123241123207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-702321142321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 702321142321.

It is not a weakly prime, because it can be changed into another prime (702321142381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351160571160 + 351160571161.

It is an arithmetic number, because the mean of its divisors is an integer number (351160571161).

Almost surely, 2^702321142321 is an apocalyptic number.

It is an amenable number.

702321142321 is a deficient number, since it is larger than the sum of its proper divisors (1).

702321142321 is an equidigital number, since it uses as much as digits as its factorization.

702321142321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 702321142321 its reverse (123241123207), we get a palindrome (825562265528).

The spelling of 702321142321 in words is "seven hundred two billion, three hundred twenty-one million, one hundred forty-two thousand, three hundred twenty-one".