9542066537 has 4 divisors (see below), whose sum is σ = 9542852820. Its totient is φ = 9541280256.

The previous prime is 9542066509. The next prime is 9542066539. The reversal of 9542066537 is 7356602459.

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 1147109161 + 8394957376 = 33869^2 + 91624^2 .

It is a cyclic number.

It is not a de Polignac number, because 9542066537 - 2⁶ = 9542066473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9542066491 and 9542066500.

It is not an unprimeable number, because it can be changed into a prime (9542066539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374648 + ... + 399305.

It is an arithmetic number, because the mean of its divisors is an integer number (2385713205).

Almost surely, 2^9542066537 is an apocalyptic number.

It is an amenable number.

9542066537 is a deficient number, since it is larger than the sum of its proper divisors (786283).

9542066537 is a wasteful number, since it uses less digits than its factorization.

9542066537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786282.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The square root of 9542066537 is about 97683.5018669990. The cubic root of 9542066537 is about 2121.0332670065.

The spelling of 9542066537 in words is "nine billion, five hundred forty-two million, sixty-six thousand, five hundred thirty-seven".