4129788366 has 24 divisors (see below), whose sum is σ = 9761318424. Its totient is φ = 1251450960.

The previous prime is 4129788353. The next prime is 4129788373. The reversal of 4129788366 is 6638879214.

4129788366 is a `hidden beast` number, since 412 + 97 + 8 + 83 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10428561 + ... + 10428956.

It is an arithmetic number, because the mean of its divisors is an integer number (406721601).

Almost surely, 2^4129788366 is an apocalyptic number.

4129788366 is an abundant number, since it is smaller than the sum of its proper divisors (5631530058).

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

4129788366 is a wasteful number, since it uses less digits than its factorization.

4129788366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20857536 (or 20857533 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4129788366 is about 64263.4294603081. The cubic root of 4129788366 is about 1604.3874845626.

The spelling of 4129788366 in words is "four billion, one hundred twenty-nine million, seven hundred eighty-eight thousand, three hundred sixty-six".