1009596459601 has 4 divisors (see below), whose sum is σ = 1009792388772. Its totient is φ = 1009400530432.

The previous prime is 1009596459581. The next prime is 1009596459647. The reversal of 1009596459601 is 1069546959001.

It is a happy number.

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 810144006400 + 199452453201 = 900080^2 + 446601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009596459601 - 2²³ = 1009588070993 is a prime.

It is a super-2 number, since 2×1009596459601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009596453601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97956856 + ... + 97967161.

It is an arithmetic number, because the mean of its divisors is an integer number (252448097193).

Almost surely, 2^{1009596459601} is an apocalyptic number.

It is an amenable number.

1009596459601 is a deficient number, since it is larger than the sum of its proper divisors (195929171).

1009596459601 is an equidigital number, since it uses as much as digits as its factorization.

1009596459601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195929170.

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 1009596459601 in words is "one trillion, nine billion, five hundred ninety-six million, four hundred fifty-nine thousand, six hundred one".