9442557673 has 8 divisors (see below), whose sum is σ = 10342761480. Its totient is φ = 8580660480.

The previous prime is 9442557653. The next prime is 9442557679. The reversal of 9442557673 is 3767552449.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 416037609 + 9026520064 = 20397^2 + 95008^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9442557673 - 2⁹ = 9442557161 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 9442557673.

It is not an unprimeable number, because it can be changed into a prime (9442557679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9576138 + ... + 9577123.

It is an arithmetic number, because the mean of its divisors is an integer number (1292845185).

Almost surely, 2^9442557673 is an apocalyptic number.

It is an amenable number.

9442557673 is a deficient number, since it is larger than the sum of its proper divisors (900203807).

9442557673 is a wasteful number, since it uses less digits than its factorization.

9442557673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19153307.

The product of its digits is 6350400, while the sum is 52.

The square root of 9442557673 is about 97172.8237368864. The cubic root of 9442557673 is about 2113.6344653742.

The spelling of 9442557673 in words is "nine billion, four hundred forty-two million, five hundred fifty-seven thousand, six hundred seventy-three".