26149164484 has 6 divisors (see below), whose sum is σ = 45761037854. Its totient is φ = 13074582240.

The previous prime is 26149164469. The next prime is 26149164527. The reversal of 26149164484 is 48446194162.

It can be written as a sum of positive squares in only one way, i.e., 20178202500 + 5970961984 = 142050^2 + 77272^2 .

It is a super-2 number, since 2×26149164484² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268645557 + ... + 3268645564.

Almost surely, 2^26149164484 is an apocalyptic number.

It is an amenable number.

26149164484 is a deficient number, since it is larger than the sum of its proper divisors (19611873370).

26149164484 is a wasteful number, since it uses less digits than its factorization.

26149164484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537291125 (or 6537291123 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The spelling of 26149164484 in words is "twenty-six billion, one hundred forty-nine million, one hundred sixty-four thousand, four hundred eighty-four".