2106443372 has 24 divisors (see below), whose sum is σ = 4024976592. Its totient is φ = 956620800.

The previous prime is 2106443371. The next prime is 2106443377. The reversal of 2106443372 is 2733446012.

It is not an unprimeable number, because it can be changed into a prime (2106443371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29972 + ... + 71492.

It is an arithmetic number, because the mean of its divisors is an integer number (167707358).

Almost surely, 2^2106443372 is an apocalyptic number.

2106443372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2106443372 is a deficient number, since it is larger than the sum of its proper divisors (1918533220).

2106443372 is a wasteful number, since it uses less digits than its factorization.

2106443372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42689 (or 42687 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 2106443372 is about 45896.0060571723. The cubic root of 2106443372 is about 1281.8875496329.

Adding to 2106443372 its reverse (2733446012), we get a palindrome (4839889384).

The spelling of 2106443372 in words is "two billion, one hundred six million, four hundred forty-three thousand, three hundred seventy-two".