34894906812 has 72 divisors (see below), whose sum is σ = 91573340880. Its totient is φ = 11491250400.

The previous prime is 34894906807. The next prime is 34894906873. The reversal of 34894906812 is 21860949843.

34894906812 is a `hidden beast` number, since 3 + 4 + 89 + 490 + 68 + 12 = 666.

34894906812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 720562 + ... + 767462.

Almost surely, 2^34894906812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34894906812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45786670440).

34894906812 is an abundant number, since it is smaller than the sum of its proper divisors (56678434068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34894906812 is a wasteful number, since it uses less digits than its factorization.

34894906812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47080 (or 46989 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 34894906812 in words is "thirty-four billion, eight hundred ninety-four million, nine hundred six thousand, eight hundred twelve".