26098807481 has 4 divisors (see below), whose sum is σ = 26101350912. Its totient is φ = 26096264052.

The previous prime is 26098807381. The next prime is 26098807489. The reversal of 26098807481 is 18470889062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26098807481 is a prime.

It is a super-3 number, since 3×26098807481³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26098807489) 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 3 ways as a sum of consecutive naturals, for example, 1256261 + ... + 1276866.

It is an arithmetic number, because the mean of its divisors is an integer number (6525337728).

Almost surely, 2^26098807481 is an apocalyptic number.

It is an amenable number.

26098807481 is a deficient number, since it is larger than the sum of its proper divisors (2543431).

26098807481 is a wasteful number, since it uses less digits than its factorization.

26098807481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543430.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 26098807481 in words is "twenty-six billion, ninety-eight million, eight hundred seven thousand, four hundred eighty-one".