7044645453 has 16 divisors (see below), whose sum is σ = 9950054976. Its totient is φ = 4418092800.

The previous prime is 7044645449. The next prime is 7044645469. The reversal of 7044645453 is 3545464407.

It is a happy number.

7044645453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7044645453 - 2² = 7044645449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7044645473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81003 + ... + 143703.

It is an arithmetic number, because the mean of its divisors is an integer number (621878436).

Almost surely, 2^7044645453 is an apocalyptic number.

It is an amenable number.

7044645453 is a deficient number, since it is larger than the sum of its proper divisors (2905409523).

7044645453 is a wasteful number, since it uses less digits than its factorization.

7044645453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64924.

The product of its (nonzero) digits is 806400, while the sum is 42.

The square root of 7044645453 is about 83932.3861986540. The cubic root of 7044645453 is about 1916.9894091454.

The spelling of 7044645453 in words is "seven billion, forty-four million, six hundred forty-five thousand, four hundred fifty-three".