110409402289 has 2 divisors, whose sum is σ = 110409402290. Its totient is φ = 110409402288.

The previous prime is 110409402281. The next prime is 110409402307. The reversal of 110409402289 is 982204904011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105733577889 + 4675824400 = 325167^2 + 68380^2 .

It is a cyclic number.

It is not a de Polignac number, because 110409402289 - 2³ = 110409402281 is a prime.

It is a super-2 number, since 2×110409402289² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110409402281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55204701144 + 55204701145.

It is an arithmetic number, because the mean of its divisors is an integer number (55204701145).

Almost surely, 2^110409402289 is an apocalyptic number.

It is an amenable number.

110409402289 is a deficient number, since it is larger than the sum of its proper divisors (1).

110409402289 is an equidigital number, since it uses as much as digits as its factorization.

110409402289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 110409402289 in words is "one hundred ten billion, four hundred nine million, four hundred two thousand, two hundred eighty-nine".