4209999372 has 54 divisors (see below), whose sum is σ = 10779240108. Its totient is φ = 1385257488.

The previous prime is 4209999331. The next prime is 4209999389. The reversal of 4209999372 is 2739999024.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3546163 + ... + 3547349.

Almost surely, 2^4209999372 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 4209999372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5389620054).

4209999372 is an abundant number, since it is smaller than the sum of its proper divisors (6569240736).

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

4209999372 is a wasteful number, since it uses less digits than its factorization.

4209999372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 4209999372 is about 64884.5079506657. The cubic root of 4209999372 is about 1614.7080497352.

The spelling of 4209999372 in words is "four billion, two hundred nine million, nine hundred ninety-nine thousand, three hundred seventy-two".