26414703899173 has 2 divisors, whose sum is σ = 26414703899174. Its totient is φ = 26414703899172.

The previous prime is 26414703899131. The next prime is 26414703899201. The reversal of 26414703899173 is 37199830741462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15230107240929 + 11184596658244 = 3902577^2 + 3344338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26414703899173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26414703899473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13207351949586 + 13207351949587.

It is an arithmetic number, because the mean of its divisors is an integer number (13207351949587).

Almost surely, 2^{26414703899173} is an apocalyptic number.

It is an amenable number.

26414703899173 is a deficient number, since it is larger than the sum of its proper divisors (1).

26414703899173 is an equidigital number, since it uses as much as digits as its factorization.

26414703899173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 26414703899173 in words is "twenty-six trillion, four hundred fourteen billion, seven hundred three million, eight hundred ninety-nine thousand, one hundred seventy-three".