2101344772 has 12 divisors (see below), whose sum is σ = 3893668380. Its totient is φ = 988868096.

The previous prime is 2101344743. The next prime is 2101344797. The reversal of 2101344772 is 2774431012.

It can be written as a sum of positive squares in 2 ways, for example, as 1494904896 + 606439876 = 38664^2 + 24626^2 .

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 3 ways as a sum of consecutive naturals, for example, 15450997 + ... + 15451132.

It is an arithmetic number, because the mean of its divisors is an integer number (324472365).

Almost surely, 2^2101344772 is an apocalyptic number.

It is an amenable number.

2101344772 is a deficient number, since it is larger than the sum of its proper divisors (1792323608).

2101344772 is a wasteful number, since it uses less digits than its factorization.

2101344772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30902150 (or 30902148 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2101344772 is about 45840.4272667697. The cubic root of 2101344772 is about 1280.8524538043.

Adding to 2101344772 its reverse (2774431012), we get a palindrome (4875775784).

The spelling of 2101344772 in words is "two billion, one hundred one million, three hundred forty-four thousand, seven hundred seventy-two".