4207686912 has 648 divisors, whose sum is σ = 15238935712. Its totient is φ = 1149603840.

The previous prime is 4207686883. The next prime is 4207686913. The reversal of 4207686912 is 2196867024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (648).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4207686913) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97853163 + ... + 97853205.

Almost surely, 2^4207686912 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 4207686912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7619467856).

4207686912 is an abundant number, since it is smaller than the sum of its proper divisors (11031248800).

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

4207686912 is a wasteful number, since it uses less digits than its factorization.

4207686912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 4207686912 is about 64866.6856868763. The cubic root of 4207686912 is about 1614.4123543907.

The spelling of 4207686912 in words is "four billion, two hundred seven million, six hundred eighty-six thousand, nine hundred twelve".