7535870561 has 16 divisors (see below), whose sum is σ = 7875902160. Its totient is φ = 7203655680.

The previous prime is 7535870533. The next prime is 7535870599. The reversal of 7535870561 is 1650785357.

It can be written as a sum of positive squares in 8 ways, for example, as 1523418961 + 6012451600 = 39031^2 + 77540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7535870561 is a prime.

It is a super-2 number, since 2×7535870561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7535878561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016851 + ... + 2020583.

It is an arithmetic number, because the mean of its divisors is an integer number (492243885).

Almost surely, 2^7535870561 is an apocalyptic number.

It is an amenable number.

7535870561 is a deficient number, since it is larger than the sum of its proper divisors (340031599).

7535870561 is a wasteful number, since it uses less digits than its factorization.

7535870561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756.

The product of its (nonzero) digits is 882000, while the sum is 47.

The square root of 7535870561 is about 86809.3921243548. The cubic root of 7535870561 is about 1960.5494920014.

The spelling of 7535870561 in words is "seven billion, five hundred thirty-five million, eight hundred seventy thousand, five hundred sixty-one".