34478432385 has 8 divisors (see below), whose sum is σ = 55165491840. Its totient is φ = 18388497264.

The previous prime is 34478432323. The next prime is 34478432399. The reversal of 34478432385 is 58323487443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34478432385 - 2¹³ = 34478424193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149281065 + ... + 1149281094.

It is an arithmetic number, because the mean of its divisors is an integer number (6895686480).

Almost surely, 2^34478432385 is an apocalyptic number.

It is an amenable number.

34478432385 is a deficient number, since it is larger than the sum of its proper divisors (20687059455).

34478432385 is a wasteful number, since it uses less digits than its factorization.

34478432385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298562167.

The product of its digits is 7741440, while the sum is 51.

The spelling of 34478432385 in words is "thirty-four billion, four hundred seventy-eight million, four hundred thirty-two thousand, three hundred eighty-five".