2102738452 has 48 divisors (see below), whose sum is σ = 3855737088. Its totient is φ = 1002608640.

The previous prime is 2102738441. The next prime is 2102738471. The reversal of 2102738452 is 2548372012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220952 + ... + 1222672.

It is an arithmetic number, because the mean of its divisors is an integer number (80327856).

Almost surely, 2^2102738452 is an apocalyptic number.

It is an amenable number.

2102738452 is a deficient number, since it is larger than the sum of its proper divisors (1752998636).

2102738452 is a wasteful number, since it uses less digits than its factorization.

2102738452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2102738452 is about 45855.6261760757. The cubic root of 2102738452 is about 1281.1355588540.

The spelling of 2102738452 in words is "two billion, one hundred two million, seven hundred thirty-eight thousand, four hundred fifty-two".