64416901 has 2 divisors, whose sum is σ = 64416902. Its totient is φ = 64416900.

The previous prime is 64416899. The next prime is 64416907. The reversal of 64416901 is 10961446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 225 = 8026^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 64416901 - 2¹ = 64416899 is a prime.

Together with 64416899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64416907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32208450 + 32208451.

It is an arithmetic number, because the mean of its divisors is an integer number (32208451).

Almost surely, 2^64416901 is an apocalyptic number.

It is an amenable number.

64416901 is a deficient number, since it is larger than the sum of its proper divisors (1).

64416901 is an equidigital number, since it uses as much as digits as its factorization.

64416901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 64416901 is about 8026.0140169327. The cubic root of 64416901 is about 400.8666646249.

The spelling of 64416901 in words is "sixty-four million, four hundred sixteen thousand, nine hundred one".