7493455563 has 32 divisors (see below), whose sum is σ = 11260723200. Its totient is φ = 4391258400.

The previous prime is 7493455559. The next prime is 7493455573. The reversal of 7493455563 is 3655543947.

It is a happy number.

It is not a de Polignac number, because 7493455563 - 2² = 7493455559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7493455523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1612998 + ... + 1617636.

It is an arithmetic number, because the mean of its divisors is an integer number (351897600).

Almost surely, 2^7493455563 is an apocalyptic number.

7493455563 is a deficient number, since it is larger than the sum of its proper divisors (3767267637).

7493455563 is a wasteful number, since it uses less digits than its factorization.

7493455563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263.

The product of its digits is 6804000, while the sum is 51.

The square root of 7493455563 is about 86564.7478076382. The cubic root of 7493455563 is about 1956.8643081319.

The spelling of 7493455563 in words is "seven billion, four hundred ninety-three million, four hundred fifty-five thousand, five hundred sixty-three".