26996213525 has 6 divisors (see below), whose sum is σ = 33475304802. Its totient is φ = 21596970800.

The previous prime is 26996213473. The next prime is 26996213533. The reversal of 26996213525 is 52531269962.

It can be written as a sum of positive squares in 3 ways, for example, as 2709316 + 26993504209 = 1646^2 + 164297^2 .

It is not a de Polignac number, because 26996213525 - 2¹⁶ = 26996147989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539924246 + ... + 539924295.

It is an arithmetic number, because the mean of its divisors is an integer number (5579217467).

Almost surely, 2^26996213525 is an apocalyptic number.

26996213525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26996213525 is a deficient number, since it is larger than the sum of its proper divisors (6479091277).

26996213525 is a wasteful number, since it uses less digits than its factorization.

26996213525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079848551 (or 1079848546 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 50.

The spelling of 26996213525 in words is "twenty-six billion, nine hundred ninety-six million, two hundred thirteen thousand, five hundred twenty-five".