2102472642 has 16 divisors (see below), whose sum is σ = 4387769280. Its totient is φ = 670353552.

The previous prime is 2102472641. The next prime is 2102472643. The reversal of 2102472642 is 2462742012.

It is an interprime number because it is at equal distance from previous prime (2102472641) and next prime (2102472643).

It is not an unprimeable number, because it can be changed into a prime (2102472641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7617517 + ... + 7617792.

It is an arithmetic number, because the mean of its divisors is an integer number (274235580).

Almost surely, 2^2102472642 is an apocalyptic number.

2102472642 is an abundant number, since it is smaller than the sum of its proper divisors (2285296638).

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

2102472642 is a wasteful number, since it uses less digits than its factorization.

2102472642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235337.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2102472642 is about 45852.7277487392. The cubic root of 2102472642 is about 1281.0815732219.

The spelling of 2102472642 in words is "two billion, one hundred two million, four hundred seventy-two thousand, six hundred forty-two".