64383331 has 2 divisors, whose sum is σ = 64383332. Its totient is φ = 64383330.

The previous prime is 64383313. The next prime is 64383409. The reversal of 64383331 is 13338346.

Together with previous prime (64383313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64383331 - 2¹³ = 64375139 is a prime.

It is a super-2 number, since 2×64383331² = 8290426621311122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64383293 and 64383302.

It is not a weakly prime, because it can be changed into another prime (64386331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32191665 + 32191666.

It is an arithmetic number, because the mean of its divisors is an integer number (32191666).

Almost surely, 2^64383331 is an apocalyptic number.

64383331 is a deficient number, since it is larger than the sum of its proper divisors (1).

64383331 is an equidigital number, since it uses as much as digits as its factorization.

64383331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 64383331 is about 8023.9224198642. The cubic root of 64383331 is about 400.7970171046.

The spelling of 64383331 in words is "sixty-four million, three hundred eighty-three thousand, three hundred thirty-one".