64283693 has 2 divisors, whose sum is σ = 64283694. Its totient is φ = 64283692.

The previous prime is 64283671. The next prime is 64283701. The reversal of 64283693 is 39638246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 635209 = 7978^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 64283693 - 2⁸ = 64283437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64283693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64283623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32141846 + 32141847.

It is an arithmetic number, because the mean of its divisors is an integer number (32141847).

Almost surely, 2^64283693 is an apocalyptic number.

It is an amenable number.

64283693 is a deficient number, since it is larger than the sum of its proper divisors (1).

64283693 is an equidigital number, since it uses as much as digits as its factorization.

64283693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 64283693 is about 8017.7112070715. The cubic root of 64283693 is about 400.5901559450.

The spelling of 64283693 in words is "sixty-four million, two hundred eighty-three thousand, six hundred ninety-three".