7398509490641 has 2 divisors, whose sum is σ = 7398509490642. Its totient is φ = 7398509490640.

The previous prime is 7398509490497. The next prime is 7398509490643. The reversal of 7398509490641 is 1460949058937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7290021600016 + 108487890625 = 2700004^2 + 329375^2 .

It is a cyclic number.

It is not a de Polignac number, because 7398509490641 - 2¹⁰ = 7398509489617 is a prime.

Together with 7398509490643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7398509490643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3699254745320 + 3699254745321.

It is an arithmetic number, because the mean of its divisors is an integer number (3699254745321).

Almost surely, 2^{7398509490641} is an apocalyptic number.

It is an amenable number.

7398509490641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7398509490641 is an equidigital number, since it uses as much as digits as its factorization.

7398509490641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 7398509490641 in words is "seven trillion, three hundred ninety-eight billion, five hundred nine million, four hundred ninety thousand, six hundred forty-one".