9305557042 has 12 divisors (see below), whose sum is σ = 14095201230. Its totient is φ = 4607595408.

The previous prime is 9305557013. The next prime is 9305557043. The reversal of 9305557042 is 2407555039.

It can be written as a sum of positive squares in only one way, i.e., 7185783361 + 2119773681 = 84769^2 + 46041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9305556986 and 9305557004.

It is not an unprimeable number, because it can be changed into a prime (9305557043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198067 + ... + 240502.

Almost surely, 2^9305557042 is an apocalyptic number.

9305557042 is a deficient number, since it is larger than the sum of its proper divisors (4789644188).

9305557042 is a wasteful number, since it uses less digits than its factorization.

9305557042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438777 (or 438674 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 9305557042 is about 96465.3152278061. The cubic root of 9305557042 is about 2103.3624923618.

The spelling of 9305557042 in words is "nine billion, three hundred five million, five hundred fifty-seven thousand, forty-two".