64893343 has 2 divisors, whose sum is σ = 64893344. Its totient is φ = 64893342.

The previous prime is 64893337. The next prime is 64893377. The reversal of 64893343 is 34339846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64893343 - 2²¹ = 62796191 is a prime.

It is a super-2 number, since 2×64893343² = 8422291931431298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64893296 and 64893305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64893313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32446671 + 32446672.

It is an arithmetic number, because the mean of its divisors is an integer number (32446672).

Almost surely, 2^64893343 is an apocalyptic number.

64893343 is a deficient number, since it is larger than the sum of its proper divisors (1).

64893343 is an equidigital number, since it uses as much as digits as its factorization.

64893343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 40.

The square root of 64893343 is about 8055.6404462960. The cubic root of 64893343 is about 401.8525382597.

The spelling of 64893343 in words is "sixty-four million, eight hundred ninety-three thousand, three hundred forty-three".