7445995447 has 4 divisors (see below), whose sum is σ = 8122904136. Its totient is φ = 6769086760.

The previous prime is 7445995441. The next prime is 7445995463.

7445995447 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7445995447 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7445995391 and 7445995400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445995441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338454328 + ... + 338454349.

It is an arithmetic number, because the mean of its divisors is an integer number (2030726034).

Almost surely, 2^7445995447 is an apocalyptic number.

7445995447 is a deficient number, since it is larger than the sum of its proper divisors (676908689).

7445995447 is a wasteful number, since it uses less digits than its factorization.

7445995447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676908688.

The product of its digits is 25401600, while the sum is 58.

The square root of 7445995447 is about 86290.1816373103. The cubic root of 7445995447 is about 1952.7242612689.

The spelling of 7445995447 in words is "seven billion, four hundred forty-five million, nine hundred ninety-five thousand, four hundred forty-seven".