7446481849 has 3 divisors (see below), whose sum is σ = 7446568143. Its totient is φ = 7446395556.

The previous prime is 7446481841. The next prime is 7446481859. The reversal of 7446481849 is 9481846447.

The square root of 7446481849 is 86293.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 7384308624 = 7885^2 + 85932^2 .

It is not a de Polignac number, because 7446481849 - 2³ = 7446481841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7446481849.

It is not an unprimeable number, because it can be changed into a prime (7446481841) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43147 + ... + 129439.

It is an arithmetic number, because the mean of its divisors is an integer number (2482189381).

Almost surely, 2^7446481849 is an apocalyptic number.

7446481849 is the 86293-rd square number.

7446481849 is the 43147-th centered octagonal number.

It is an amenable number.

7446481849 is a deficient number, since it is larger than the sum of its proper divisors (86294).

7446481849 is an frugal number, since it uses more digits than its factorization.

7446481849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172586 (or 86293 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 55.

The cubic root of 7446481849 is about 1952.7667802449.

The spelling of 7446481849 in words is "seven billion, four hundred forty-six million, four hundred eighty-one thousand, eight hundred forty-nine".