2143469952 has 512 divisors, whose sum is σ = 7494144000. Its totient is φ = 604661760.

The previous prime is 2143469917. The next prime is 2143469957. The reversal of 2143469952 is 2599643412.

2143469952 is a `hidden beast` number, since 214 + 346 + 9 + 95 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2143469898 and 2143469907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143469957) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69144177 + ... + 69144207.

It is an arithmetic number, because the mean of its divisors is an integer number (14637000).

Almost surely, 2^2143469952 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 2143469952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3747072000).

2143469952 is an abundant number, since it is smaller than the sum of its proper divisors (5350674048).

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

2143469952 is an equidigital number, since it uses as much as digits as its factorization.

2143469952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 68 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2143469952 is about 46297.6236107211. The cubic root of 2143469952 is about 1289.3548748326.

The spelling of 2143469952 in words is "two billion, one hundred forty-three million, four hundred sixty-nine thousand, nine hundred fifty-two".