963949331 has 2 divisors, whose sum is σ = 963949332. Its totient is φ = 963949330.

The previous prime is 963949313. The next prime is 963949333. The reversal of 963949331 is 133949369.

Together with previous prime (963949313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (133949369) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-963949331 is a prime.

It is a super-2 number, since 2×963949331² = 1858396625470695122, which contains 22 as substring.

Together with 963949333, 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 (963949333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481974665 + 481974666.

It is an arithmetic number, because the mean of its divisors is an integer number (481974666).

Almost surely, 2^963949331 is an apocalyptic number.

963949331 is a deficient number, since it is larger than the sum of its proper divisors (1).

963949331 is an equidigital number, since it uses as much as digits as its factorization.

963949331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472392, while the sum is 47.

The square root of 963949331 is about 31047.5334124951. The cubic root of 963949331 is about 987.8357411177.

The spelling of 963949331 in words is "nine hundred sixty-three million, nine hundred forty-nine thousand, three hundred thirty-one".