26304201613 has 16 divisors (see below), whose sum is σ = 27148080960. Its totient is φ = 25470518400.

The previous prime is 26304201611. The next prime is 26304201641. The reversal of 26304201613 is 31610240362.

It is a cyclic number.

It is not a de Polignac number, because 26304201613 - 2¹ = 26304201611 is a prime.

It is a super-2 number, since 2×26304201613² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26304201611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4187431 + ... + 4193707.

It is an arithmetic number, because the mean of its divisors is an integer number (1696755060).

Almost surely, 2^26304201613 is an apocalyptic number.

It is an amenable number.

26304201613 is a deficient number, since it is larger than the sum of its proper divisors (843879347).

26304201613 is a wasteful number, since it uses less digits than its factorization.

26304201613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 26304201613 its reverse (31610240362), we get a palindrome (57914441975).

The spelling of 26304201613 in words is "twenty-six billion, three hundred four million, two hundred one thousand, six hundred thirteen".