65380621363 has 2 divisors, whose sum is σ = 65380621364. Its totient is φ = 65380621362.

The previous prime is 65380621343. The next prime is 65380621367. The reversal of 65380621363 is 36312608356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65380621363 is a prime.

It is not a weakly prime, because it can be changed into another prime (65380621367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690310681 + 32690310682.

It is an arithmetic number, because the mean of its divisors is an integer number (32690310682).

Almost surely, 2^65380621363 is an apocalyptic number.

65380621363 is a deficient number, since it is larger than the sum of its proper divisors (1).

65380621363 is an equidigital number, since it uses as much as digits as its factorization.

65380621363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 65380621363 in words is "sixty-five billion, three hundred eighty million, six hundred twenty-one thousand, three hundred sixty-three".