963842381 has 2 divisors, whose sum is σ = 963842382. Its totient is φ = 963842380.

The previous prime is 963842357. The next prime is 963842401. The reversal of 963842381 is 183248369.

963842381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922033225 + 41809156 = 30365^2 + 6466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-963842381 is a prime.

It is a super-2 number, since 2×963842381² = 1857984270823498322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (963842351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481921190 + 481921191.

It is an arithmetic number, because the mean of its divisors is an integer number (481921191).

Almost surely, 2^963842381 is an apocalyptic number.

It is an amenable number.

963842381 is a deficient number, since it is larger than the sum of its proper divisors (1).

963842381 is an equidigital number, since it uses as much as digits as its factorization.

963842381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 963842381 is about 31045.8110056735. The cubic root of 963842381 is about 987.7992063689.

The spelling of 963842381 in words is "nine hundred sixty-three million, eight hundred forty-two thousand, three hundred eighty-one".