7446446447 has 4 divisors (see below), whose sum is σ = 8123396136. Its totient is φ = 6769496760.

The previous prime is 7446446429. The next prime is 7446446453.

7446446447 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 not a de Polignac number, because 7446446447 - 2²⁸ = 7178010991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7446446395 and 7446446404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7446446407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338474828 + ... + 338474849.

It is an arithmetic number, because the mean of its divisors is an integer number (2030849034).

Almost surely, 2^7446446447 is an apocalyptic number.

7446446447 is a deficient number, since it is larger than the sum of its proper divisors (676949689).

7446446447 is a wasteful number, since it uses less digits than its factorization.

7446446447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676949688.

The product of its digits is 7225344, while the sum is 50.

The square root of 7446446447 is about 86292.7948730368. The cubic root of 7446446447 is about 1952.7636856310.

The spelling of 7446446447 in words is "seven billion, four hundred forty-six million, four hundred forty-six thousand, four hundred forty-seven".