26651004213 has 16 divisors (see below), whose sum is σ = 36409214016. Its totient is φ = 17330252160.

The previous prime is 26651004209. The next prime is 26651004223. The reversal of 26651004213 is 31240015662.

It is not a de Polignac number, because 26651004213 - 2² = 26651004209 is a prime.

It is a super-2 number, since 2×26651004213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26651004223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622195 + ... + 663647.

It is an arithmetic number, because the mean of its divisors is an integer number (2275575876).

Almost surely, 2^26651004213 is an apocalyptic number.

It is an amenable number.

26651004213 is a deficient number, since it is larger than the sum of its proper divisors (9758209803).

26651004213 is a wasteful number, since it uses less digits than its factorization.

26651004213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46724.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 26651004213 its reverse (31240015662), we get a palindrome (57891019875).

The spelling of 26651004213 in words is "twenty-six billion, six hundred fifty-one million, four thousand, two hundred thirteen".