26481307651 has 2 divisors, whose sum is σ = 26481307652. Its totient is φ = 26481307650.

The previous prime is 26481307639. The next prime is 26481307663. The reversal of 26481307651 is 15670318462.

It is a balanced prime because it is at equal distance from previous prime (26481307639) and next prime (26481307663).

It is a cyclic number.

It is not a de Polignac number, because 26481307651 - 2²³ = 26472919043 is a prime.

It is a super-2 number, since 2×26481307651² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26481307598 and 26481307607.

It is not a weakly prime, because it can be changed into another prime (26481307681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13240653825 + 13240653826.

It is an arithmetic number, because the mean of its divisors is an integer number (13240653826).

Almost surely, 2^26481307651 is an apocalyptic number.

26481307651 is a deficient number, since it is larger than the sum of its proper divisors (1).

26481307651 is an equidigital number, since it uses as much as digits as its factorization.

26481307651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 26481307651 in words is "twenty-six billion, four hundred eighty-one million, three hundred seven thousand, six hundred fifty-one".