4219273836 has 144 divisors (see below), whose sum is σ = 11589832800. Its totient is φ = 1289696256.

The previous prime is 4219273823. The next prime is 4219273837. The reversal of 4219273836 is 6383729124.

It is a junction number, because it is equal to n+sod(n) for n = 4219273791 and 4219273800.

It is not an unprimeable number, because it can be changed into a prime (4219273837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7414960 + ... + 7415528.

It is an arithmetic number, because the mean of its divisors is an integer number (80484950).

Almost surely, 2^4219273836 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 4219273836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5794916400).

4219273836 is an abundant number, since it is smaller than the sum of its proper divisors (7370558964).

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

4219273836 is a wasteful number, since it uses less digits than its factorization.

4219273836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 923 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 4219273836 is about 64955.9376500717. The cubic root of 4219273836 is about 1615.8928930050.

The spelling of 4219273836 in words is "four billion, two hundred nineteen million, two hundred seventy-three thousand, eight hundred thirty-six".