26428693108 has 6 divisors (see below), whose sum is σ = 46250212946. Its totient is φ = 13214346552.

The previous prime is 26428693103. The next prime is 26428693127. The reversal of 26428693108 is 80139682462.

It can be written as a sum of positive squares in only one way, i.e., 16162545424 + 10266147684 = 127132^2 + 101322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26428693103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303586635 + ... + 3303586642.

Almost surely, 2^26428693108 is an apocalyptic number.

It is an amenable number.

26428693108 is a deficient number, since it is larger than the sum of its proper divisors (19821519838).

26428693108 is a wasteful number, since it uses less digits than its factorization.

26428693108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607173281 (or 6607173279 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 26428693108 in words is "twenty-six billion, four hundred twenty-eight million, six hundred ninety-three thousand, one hundred eight".