26198062802 has 6 divisors (see below), whose sum is σ = 39297437559. Its totient is φ = 13098916950.

The previous prime is 26198062801. The next prime is 26198062837. The reversal of 26198062802 is 20826089162.

It can be written as a sum of positive squares in only one way, i.e., 13099031401 + 13099031401 = 114451^2 + 114451^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=114451.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26198062801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 171677 + ... + 286127.

Almost surely, 2^26198062802 is an apocalyptic number.

26198062802 is a deficient number, since it is larger than the sum of its proper divisors (13099374757).

26198062802 is an frugal number, since it uses more digits than its factorization.

26198062802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228904 (or 114453 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 26198062802 in words is "twenty-six billion, one hundred ninety-eight million, sixty-two thousand, eight hundred two".