64849453 has 2 divisors, whose sum is σ = 64849454. Its totient is φ = 64849452.

The previous prime is 64849429. The next prime is 64849459. The reversal of 64849453 is 35494846.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45118089 + 19731364 = 6717^2 + 4442^2 .

It is a cyclic number.

It is not a de Polignac number, because 64849453 - 2⁹ = 64848941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64849459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32424726 + 32424727.

It is an arithmetic number, because the mean of its divisors is an integer number (32424727).

Almost surely, 2^64849453 is an apocalyptic number.

It is an amenable number.

64849453 is a deficient number, since it is larger than the sum of its proper divisors (1).

64849453 is an equidigital number, since it uses as much as digits as its factorization.

64849453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 64849453 is about 8052.9158073334. The cubic root of 64849453 is about 401.7619214370.

The spelling of 64849453 in words is "sixty-four million, eight hundred forty-nine thousand, four hundred fifty-three".