2013040021433 has 6 divisors (see below), whose sum is σ = 2341699616826. Its totient is φ = 1725462875472.

The previous prime is 2013040021427. The next prime is 2013040021591. The reversal of 2013040021433 is 3341200403102.

It can be written as a sum of positive squares in only one way, i.e., 1457228022649 + 555811998784 = 1207157^2 + 745528^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2013040021433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013040021399 and 2013040021408.

It is not an unprimeable number, because it can be changed into a prime (2013040021403) 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, 20541224660 + ... + 20541224757.

It is an arithmetic number, because the mean of its divisors is an integer number (390283269471).

Almost surely, 2^{2013040021433} is an apocalyptic number.

It is an amenable number.

2013040021433 is a deficient number, since it is larger than the sum of its proper divisors (328659595393).

2013040021433 is an equidigital number, since it uses as much as digits as its factorization.

2013040021433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41082449431 (or 41082449424 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2013040021433 its reverse (3341200403102), we get a palindrome (5354240424535).

The spelling of 2013040021433 in words is "two trillion, thirteen billion, forty million, twenty-one thousand, four hundred thirty-three".