7446684961 has 4 divisors (see below), whose sum is σ = 7465828500. Its totient is φ = 7427541424.

The previous prime is 7446684937. The next prime is 7446684967. The reversal of 7446684961 is 1694866447.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4292739361 + 3153945600 = 65519^2 + 56160^2 .

It is a cyclic number.

It is not a de Polignac number, because 7446684961 - 2⁵ = 7446684929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7446684967) 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 3 ways as a sum of consecutive naturals, for example, 9571186 + ... + 9571963.

It is an arithmetic number, because the mean of its divisors is an integer number (1866457125).

Almost surely, 2^7446684961 is an apocalyptic number.

It is an amenable number.

7446684961 is a deficient number, since it is larger than the sum of its proper divisors (19143539).

7446684961 is a wasteful number, since it uses less digits than its factorization.

7446684961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19143538.

The product of its digits is 6967296, while the sum is 55.

The square root of 7446684961 is about 86294.1768661130. The cubic root of 7446684961 is about 1952.7845347930.

The spelling of 7446684961 in words is "seven billion, four hundred forty-six million, six hundred eighty-four thousand, nine hundred sixty-one".