26150481729 has 6 divisors (see below), whose sum is σ = 37772918066. Its totient is φ = 17433654480.

The previous prime is 26150481719. The next prime is 26150481751. The reversal of 26150481729 is 92718405162.

26150481729 is a `hidden beast` number, since 2 + 61 + 504 + 81 + 7 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23367708225 + 2782773504 = 152865^2 + 52752^2 .

It is not a de Polignac number, because 26150481729 - 2⁸ = 26150481473 is a prime.

It is a super-4 number, since 4×26150481729⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26150481719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1452804532 + ... + 1452804549.

Almost surely, 2^26150481729 is an apocalyptic number.

It is an amenable number.

26150481729 is a deficient number, since it is larger than the sum of its proper divisors (11622436337).

26150481729 is a wasteful number, since it uses less digits than its factorization.

26150481729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905609087 (or 2905609084 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 26150481729 in words is "twenty-six billion, one hundred fifty million, four hundred eighty-one thousand, seven hundred twenty-nine".