64850453 has 4 divisors (see below), whose sum is σ = 65456640. Its totient is φ = 64244268.

The previous prime is 64850437. The next prime is 64850491. The reversal of 64850453 is 35405846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64850453 - 2⁴ = 64850437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64856453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302933 + ... + 303146.

It is an arithmetic number, because the mean of its divisors is an integer number (16364160).

Almost surely, 2^64850453 is an apocalyptic number.

It is an amenable number.

64850453 is a deficient number, since it is larger than the sum of its proper divisors (606187).

64850453 is a wasteful number, since it uses less digits than its factorization.

64850453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606186.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 64850453 is about 8052.9778964058. The cubic root of 64850453 is about 401.7639865269.

The spelling of 64850453 in words is "sixty-four million, eight hundred fifty thousand, four hundred fifty-three".