7493544445 has 4 divisors (see below), whose sum is σ = 8992253340. Its totient is φ = 5994835552.

The previous prime is 7493544419. The next prime is 7493544491. The reversal of 7493544445 is 5444453947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5444453947 = 23 ⋅236715389.

It can be written as a sum of positive squares in 2 ways, for example, as 3797147641 + 3696396804 = 61621^2 + 60798^2 .

It is a cyclic number.

It is not a de Polignac number, because 7493544445 - 2⁹ = 7493543933 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, 749354440 + ... + 749354449.

It is an arithmetic number, because the mean of its divisors is an integer number (2248063335).

Almost surely, 2^7493544445 is an apocalyptic number.

It is an amenable number.

7493544445 is a deficient number, since it is larger than the sum of its proper divisors (1498708895).

7493544445 is a wasteful number, since it uses less digits than its factorization.

7493544445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498708894.

The product of its digits is 4838400, while the sum is 49.

The square root of 7493544445 is about 86565.2611906185. The cubic root of 7493544445 is about 1956.8720450754.

The spelling of 7493544445 in words is "seven billion, four hundred ninety-three million, five hundred forty-four thousand, four hundred forty-five".