1045660333513 has 4 divisors (see below), whose sum is σ = 1045663738308. Its totient is φ = 1045656928720.

The previous prime is 1045660333499. The next prime is 1045660333537. The reversal of 1045660333513 is 3153330665401.

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 1038507741184 + 7152592329 = 1019072^2 + 84573^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045660333513 - 2¹³ = 1045660325321 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045660333213) 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, 1190398 + ... + 1873063.

It is an arithmetic number, because the mean of its divisors is an integer number (261415934577).

Almost surely, 2^{1045660333513} is an apocalyptic number.

It is an amenable number.

1045660333513 is a deficient number, since it is larger than the sum of its proper divisors (3404795).

1045660333513 is an equidigital number, since it uses as much as digits as its factorization.

1045660333513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404794.

The product of its (nonzero) digits is 291600, while the sum is 40.

Adding to 1045660333513 its reverse (3153330665401), we get a palindrome (4198990998914).

The spelling of 1045660333513 in words is "one trillion, forty-five billion, six hundred sixty million, three hundred thirty-three thousand, five hundred thirteen".