104450988889993 has 2 divisors, whose sum is σ = 104450988889994. Its totient is φ = 104450988889992.

The previous prime is 104450988889879. The next prime is 104450988890009. The reversal of 104450988889993 is 399988889054401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101416118290249 + 3034870599744 = 10070557^2 + 1742088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104450988889993 is a prime.

It is a super-3 number, since 3×104450988889993³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 104450988889993.

It is not a weakly prime, because it can be changed into another prime (104450988883993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52225494444996 + 52225494444997.

It is an arithmetic number, because the mean of its divisors is an integer number (52225494444997).

Almost surely, 2^{104450988889993} is an apocalyptic number.

It is an amenable number.

104450988889993 is a deficient number, since it is larger than the sum of its proper divisors (1).

104450988889993 is an equidigital number, since it uses as much as digits as its factorization.

104450988889993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6449725440, while the sum is 85.

The spelling of 104450988889993 in words is "one hundred four trillion, four hundred fifty billion, nine hundred eighty-eight million, eight hundred eighty-nine thousand, nine hundred ninety-three".