26938051198654 has 4 divisors (see below), whose sum is σ = 40407076797984. Its totient is φ = 13469025599326.

The previous prime is 26938051198649. The next prime is 26938051198661. The reversal of 26938051198654 is 45689115083962.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 26938051198654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6734512799662 + ... + 6734512799665.

It is an arithmetic number, because the mean of its divisors is an integer number (10101769199496).

Almost surely, 2^{26938051198654} is an apocalyptic number.

26938051198654 is a deficient number, since it is larger than the sum of its proper divisors (13469025599330).

26938051198654 is a wasteful number, since it uses less digits than its factorization.

26938051198654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469025599329.

The product of its (nonzero) digits is 111974400, while the sum is 67.

The spelling of 26938051198654 in words is "twenty-six trillion, nine hundred thirty-eight billion, fifty-one million, one hundred ninety-eight thousand, six hundred fifty-four".