26649089536 has 20 divisors (see below), whose sum is σ = 53246131092. Its totient is φ = 13324544512.

The previous prime is 26649089527. The next prime is 26649089549. The reversal of 26649089536 is 63598094662.

It is a congruent number.

It is an unprimeable number.

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, 26023990 + ... + 26025013.

Almost surely, 2^26649089536 is an apocalyptic number.

It is an amenable number.

26649089536 is a deficient number, since it is larger than the sum of its proper divisors (26597041556).

26649089536 is an frugal number, since it uses more digits than its factorization.

26649089536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52049021 (or 52049005 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 26649089536 in words is "twenty-six billion, six hundred forty-nine million, eighty-nine thousand, five hundred thirty-six".