7421302429729 has 2 divisors, whose sum is σ = 7421302429730. Its totient is φ = 7421302429728.

The previous prime is 7421302429727. The next prime is 7421302429777. The reversal of 7421302429729 is 9279242031247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7421156672400 + 145757329 = 2724180^2 + 12073^2 .

It is an emirp because it is prime and its reverse (9279242031247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7421302429729 - 2¹ = 7421302429727 is a prime.

Together with 7421302429727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7421302429727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710651214864 + 3710651214865.

It is an arithmetic number, because the mean of its divisors is an integer number (3710651214865).

Almost surely, 2^{7421302429729} is an apocalyptic number.

It is an amenable number.

7421302429729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421302429729 is an equidigital number, since it uses as much as digits as its factorization.

7421302429729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 7421302429729 in words is "seven trillion, four hundred twenty-one billion, three hundred two million, four hundred twenty-nine thousand, seven hundred twenty-nine".