64453035445 has 4 divisors (see below), whose sum is σ = 77343642540. Its totient is φ = 51562428352.

The previous prime is 64453035431. The next prime is 64453035463. The reversal of 64453035445 is 54453035446.

It is a happy number.

64453035445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41541369489 + 22911665956 = 203817^2 + 151366^2 .

It is a cyclic number.

It is not a de Polignac number, because 64453035445 - 2¹³ = 64453027253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6445303540 + ... + 6445303549.

It is an arithmetic number, because the mean of its divisors is an integer number (19335910635).

Almost surely, 2^64453035445 is an apocalyptic number.

It is an amenable number.

64453035445 is a deficient number, since it is larger than the sum of its proper divisors (12890607095).

64453035445 is a wasteful number, since it uses less digits than its factorization.

64453035445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890607094.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Subtracting from 64453035445 its reverse (54453035446), we obtain a palindrome (9999999999).

The spelling of 64453035445 in words is "sixty-four billion, four hundred fifty-three million, thirty-five thousand, four hundred forty-five".