1043434100065 has 16 divisors (see below), whose sum is σ = 1431142829568. Its totient is φ = 715423922496.

The previous prime is 1043434100063. The next prime is 1043434100099. The reversal of 1043434100065 is 5600014343401.

It is a happy number.

1043434100065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1043434100065 - 2¹ = 1043434100063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043434100063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190857 + ... + 1872166.

It is an arithmetic number, because the mean of its divisors is an integer number (89446426848).

Almost surely, 2^{1043434100065} is an apocalyptic number.

It is an amenable number.

1043434100065 is a deficient number, since it is larger than the sum of its proper divisors (387708729503).

1043434100065 is an equidigital number, since it uses as much as digits as its factorization.

1043434100065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072768.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1043434100065 its reverse (5600014343401), we get a palindrome (6643448443466).

The spelling of 1043434100065 in words is "one trillion, forty-three billion, four hundred thirty-four million, one hundred thousand, sixty-five".