26900261293 has 16 divisors (see below), whose sum is σ = 28607356080. Its totient is φ = 25246480896.

The previous prime is 26900261291. The next prime is 26900261309. The reversal of 26900261293 is 39216200962.

It can be written as a sum of positive squares in 8 ways, for example, as 4857811204 + 22042450089 = 69698^2 + 148467^2 .

It is a cyclic number.

It is not a de Polignac number, because 26900261293 - 2¹ = 26900261291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26900261291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161321 + ... + 1184257.

It is an arithmetic number, because the mean of its divisors is an integer number (1787959755).

Almost surely, 2^26900261293 is an apocalyptic number.

It is an amenable number.

26900261293 is a deficient number, since it is larger than the sum of its proper divisors (1707094787).

26900261293 is a wasteful number, since it uses less digits than its factorization.

26900261293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24096.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 26900261293 in words is "twenty-six billion, nine hundred million, two hundred sixty-one thousand, two hundred ninety-three".