34423399505 has 24 divisors (see below), whose sum is σ = 45426782016. Its totient is φ = 25023051680.

The previous prime is 34423399487. The next prime is 34423399529. The reversal of 34423399505 is 50599332443.

It is not a de Polignac number, because 34423399505 - 2¹⁶ = 34423333969 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34423399505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1344332 + ... + 1369698.

It is an arithmetic number, because the mean of its divisors is an integer number (1892782584).

Almost surely, 2^34423399505 is an apocalyptic number.

It is an amenable number.

34423399505 is a deficient number, since it is larger than the sum of its proper divisors (11003382511).

34423399505 is a wasteful number, since it uses less digits than its factorization.

34423399505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637 (or 27626 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 34423399505 in words is "thirty-four billion, four hundred twenty-three million, three hundred ninety-nine thousand, five hundred five".