26146016213 has 4 divisors (see below), whose sum is σ = 26146351308. Its totient is φ = 26145681120.

The previous prime is 26146016129. The next prime is 26146016279. The reversal of 26146016213 is 31261064162.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4271014609 + 21875001604 = 65353^2 + 147902^2 .

It is a cyclic number.

It is not a de Polignac number, because 26146016213 - 2¹² = 26146012117 is a prime.

It is a super-2 number, since 2×26146016213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26146016213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26146016513) 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, 17945 + ... + 229377.

It is an arithmetic number, because the mean of its divisors is an integer number (6536587827).

Almost surely, 2^26146016213 is an apocalyptic number.

It is an amenable number.

26146016213 is a deficient number, since it is larger than the sum of its proper divisors (335095).

26146016213 is a wasteful number, since it uses less digits than its factorization.

26146016213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335094.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 26146016213 in words is "twenty-six billion, one hundred forty-six million, sixteen thousand, two hundred thirteen".