7493443947 has 16 divisors (see below), whose sum is σ = 12110616960. Its totient is φ = 4541481000.

The previous prime is 7493443933. The next prime is 7493443963.

7493443947 is a `hidden beast` number, since 74 + 93 + 443 + 9 + 47 = 666.

7493443947 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7493443947 - 2⁶ = 7493443883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7493443893 and 7493443902.

It is not an unprimeable number, because it can be changed into a prime (7493443147) 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 15 ways as a sum of consecutive naturals, for example, 12614929 + ... + 12615522.

It is an arithmetic number, because the mean of its divisors is an integer number (756913560).

Almost surely, 2^7493443947 is an apocalyptic number.

7493443947 is a deficient number, since it is larger than the sum of its proper divisors (4617173013).

7493443947 is a wasteful number, since it uses less digits than its factorization.

7493443947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25230471 (or 25230465 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The square root of 7493443947 is about 86564.6807133256. The cubic root of 7493443947 is about 1956.8632969852.

The spelling of 7493443947 in words is "seven billion, four hundred ninety-three million, four hundred forty-three thousand, nine hundred forty-seven".