26912238451 has 4 divisors (see below), whose sum is σ = 30756843952. Its totient is φ = 23067632952.

The previous prime is 26912238449. The next prime is 26912238461. The reversal of 26912238451 is 15483221962.

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

It is not a de Polignac number, because 26912238451 - 2¹ = 26912238449 is a prime.

It is the 164050-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26912238398 and 26912238407.

It is not an unprimeable number, because it can be changed into a prime (26912238461) by changing a digit.

It is a nontrivial repunit in base 164049.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922302740 + ... + 1922302753.

It is an arithmetic number, because the mean of its divisors is an integer number (7689210988).

Almost surely, 2^26912238451 is an apocalyptic number.

26912238451 is a deficient number, since it is larger than the sum of its proper divisors (3844605501).

26912238451 is an equidigital number, since it uses as much as digits as its factorization.

26912238451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844605500.

The product of its digits is 207360, while the sum is 43.

The spelling of 26912238451 in words is "twenty-six billion, nine hundred twelve million, two hundred thirty-eight thousand, four hundred fifty-one".