4214121870 has 128 divisors (see below), whose sum is σ = 12107833344. Its totient is φ = 917794944.

The previous prime is 4214121869. The next prime is 4214121883. The reversal of 4214121870 is 781214124.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1365349 + ... + 1368431.

It is an arithmetic number, because the mean of its divisors is an integer number (94592448).

Almost surely, 2^4214121870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4214121870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6053916672).

4214121870 is an abundant number, since it is smaller than the sum of its proper divisors (7893711474).

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

4214121870 is a wasteful number, since it uses less digits than its factorization.

4214121870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4214121870 is about 64916.2681459740. The cubic root of 4214121870 is about 1615.2349270210.

Adding to 4214121870 its reverse (781214124), we get a palindrome (4995335994).

The spelling of 4214121870 in words is "four billion, two hundred fourteen million, one hundred twenty-one thousand, eight hundred seventy".