34438637685 has 32 divisors (see below), whose sum is σ = 55902597120. Its totient is φ = 18100577600.

The previous prime is 34438637683. The next prime is 34438637803. The reversal of 34438637685 is 58673683443.

It is not a de Polignac number, because 34438637685 - 2¹ = 34438637683 is a prime.

It is a super-3 number, since 3×34438637685³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34438637683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2996500 + ... + 3007970.

It is an arithmetic number, because the mean of its divisors is an integer number (1746956160).

Almost surely, 2^34438637685 is an apocalyptic number.

It is an amenable number.

34438637685 is a deficient number, since it is larger than the sum of its proper divisors (21463959435).

34438637685 is a wasteful number, since it uses less digits than its factorization.

34438637685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14369.

The product of its digits is 34836480, while the sum is 57.

The spelling of 34438637685 in words is "thirty-four billion, four hundred thirty-eight million, six hundred thirty-seven thousand, six hundred eighty-five".