64014421 has 2 divisors, whose sum is σ = 64014422. Its totient is φ = 64014420.

The previous prime is 64014409. The next prime is 64014443. The reversal of 64014421 is 12441046.

It is an a-pointer prime, because the next prime (64014443) can be obtained adding 64014421 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 9991921 = 7350^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 64014421 - 2⁵ = 64014389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64014392 and 64014401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64014491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32007210 + 32007211.

It is an arithmetic number, because the mean of its divisors is an integer number (32007211).

Almost surely, 2^64014421 is an apocalyptic number.

It is an amenable number.

64014421 is a deficient number, since it is larger than the sum of its proper divisors (1).

64014421 is an equidigital number, since it uses as much as digits as its factorization.

64014421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 64014421 is about 8000.9012617330. The cubic root of 64014421 is about 400.0300414937.

Adding to 64014421 its reverse (12441046), we get a palindrome (76455467).

The spelling of 64014421 in words is "sixty-four million, fourteen thousand, four hundred twenty-one".