921683363 has 2 divisors, whose sum is σ = 921683364. Its totient is φ = 921683362.

The previous prime is 921683311. The next prime is 921683417. The reversal of 921683363 is 363386129.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 921683363 - 2¹² = 921679267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 921683363.

It is not a weakly prime, because it can be changed into another prime (921683263) 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, 460841681 + 460841682.

It is an arithmetic number, because the mean of its divisors is an integer number (460841682).

Almost surely, 2^921683363 is an apocalyptic number.

921683363 is a deficient number, since it is larger than the sum of its proper divisors (1).

921683363 is an equidigital number, since it uses as much as digits as its factorization.

921683363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 921683363 is about 30359.2385115306. The cubic root of 921683363 is about 973.1816604560.

The spelling of 921683363 in words is "nine hundred twenty-one million, six hundred eighty-three thousand, three hundred sixty-three".