34443778065 has 64 divisors (see below), whose sum is σ = 59961047040. Its totient is φ = 16840212480.

The previous prime is 34443778043. The next prime is 34443778067. The reversal of 34443778065 is 56087734443.

It is not a de Polignac number, because 34443778065 - 2⁷ = 34443777937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34443777999 and 34443778017.

It is not an unprimeable number, because it can be changed into a prime (34443778067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 690609 + ... + 738801.

It is an arithmetic number, because the mean of its divisors is an integer number (936891360).

Almost surely, 2^34443778065 is an apocalyptic number.

It is an amenable number.

34443778065 is a deficient number, since it is larger than the sum of its proper divisors (25517268975).

34443778065 is a wasteful number, since it uses less digits than its factorization.

34443778065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48314.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 34443778065 in words is "thirty-four billion, four hundred forty-three million, seven hundred seventy-eight thousand, sixty-five".