26480752499 has 4 divisors (see below), whose sum is σ = 26492425440. Its totient is φ = 26469079560.

The previous prime is 26480752477. The next prime is 26480752531. The reversal of 26480752499 is 99425708462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26480752499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26480752429) 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, 5833067 + ... + 5837604.

It is an arithmetic number, because the mean of its divisors is an integer number (6623106360).

Almost surely, 2^26480752499 is an apocalyptic number.

26480752499 is a deficient number, since it is larger than the sum of its proper divisors (11672941).

26480752499 is a wasteful number, since it uses less digits than its factorization.

26480752499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672940.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 26480752499 in words is "twenty-six billion, four hundred eighty million, seven hundred fifty-two thousand, four hundred ninety-nine".